Academic literature on the topic 'Olfactory system'

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Journal articles on the topic "Olfactory system"

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Leboucq, N., N. Menjot de Champfleur, S. Menjot de Champfleur, and A. Bonafé. "The olfactory system." Diagnostic and Interventional Imaging 94, no. 10 (October 2013): 985–91. http://dx.doi.org/10.1016/j.diii.2013.06.006.

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Galeano, Carlos, Zhifang Qiu, Anuja Mishra, Steven L. Farnsworth, Jacob J. Hemmi, Alvaro Moreira, Peter Edenhoffer, and Peter J. Hornsby. "The Route by Which Intranasally Delivered Stem Cells Enter the Central Nervous System." Cell Transplantation 27, no. 3 (March 2018): 501–14. http://dx.doi.org/10.1177/0963689718754561.

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Intranasal administration is a promising route of delivery of stem cells to the central nervous system (CNS). Reports on this mode of stem cell delivery have not yet focused on the route across the cribriform plate by which cells move from the nasal cavity into the CNS. In the current experiments, human mesenchymal stem cells (MSCs) were isolated from Wharton’s jelly of umbilical cords and were labeled with extremely bright quantum dots (QDs) in order to track the cells efficiently. At 2 h after intranasal delivery in immunodeficient mice, the labeled cells were found under the olfactory epithelium, crossing the cribriform plate adjacent to the fila olfactoria, and associated with the meninges of the olfactory bulb. At all times, the cells were separate from actual nerve tracts; this location is consistent with them being in the subarachnoid space (SAS) and its extensions through the cribriform plate into the nasal mucosa. In their location under the olfactory epithelium, they appear to be within an expansion of a potential space adjacent to the turbinate bone periosteum. Therefore, intranasally administered stem cells appear to cross the olfactory epithelium, enter a space adjacent to the periosteum of the turbinate bones, and then enter the SAS via its extensions adjacent to the fila olfactoria as they cross the cribriform plate. These observations should enhance understanding of the mode by which stem cells can reach the CNS from the nasal cavity and may guide future experiments on making intranasal delivery of stem cells efficient and reproducible.
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Torres, Mateo V., Irene Ortiz-Leal, and Pablo Sanchez-Quinteiro. "Pheromone Sensing in Mammals: A Review of the Vomeronasal System." Anatomia 2, no. 4 (November 9, 2023): 346–413. http://dx.doi.org/10.3390/anatomia2040031.

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This review addresses the role of chemical communication in mammals, giving special attention to the vomeronasal system in pheromone-mediated interactions. The vomeronasal system influences many social and sexual behaviors, from reproduction to species recognition. Interestingly, this system shows greater evolutionary variability compared to the olfactory system, emphasizing its complex nature and the need for thorough research. The discussion starts with foundational concepts of chemocommunication, progressing to a detailed exploration of olfactory systems. The neuroanatomy of the vomeronasal system stands in contrast with that of the olfactory system. Further, the sensory part of the vomeronasal system, known as the vomeronasal organ, and the integration center of this information, called the accessory olfactory bulb, receive comprehensive coverage. Secondary projections of both the olfactory and vomeronasal systems receive attention, especially in relation to the dual olfactory hypothesis. The review concludes by examining the organization of the vomeronasal system in four distinct mammalian groups: rodents, marsupials, herpestids, and bovids. The aim is to highlight the unique morphofunctional differences resulting from the adaptive changes each group experienced.
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Poncelet, Guillaume, and Sebastian M. Shimeld. "The evolutionary origins of the vertebrate olfactory system." Open Biology 10, no. 12 (December 2020): 200330. http://dx.doi.org/10.1098/rsob.200330.

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Vertebrates develop an olfactory system that detects odorants and pheromones through their interaction with specialized cell surface receptors on olfactory sensory neurons. During development, the olfactory system forms from the olfactory placodes, specialized areas of the anterior ectoderm that share cellular and molecular properties with placodes involved in the development of other cranial senses. The early-diverging chordate lineages amphioxus, tunicates, lampreys and hagfishes give insight into how this system evolved. Here, we review olfactory system development and cell types in these lineages alongside chemosensory receptor gene evolution, integrating these data into a description of how the vertebrate olfactory system evolved. Some olfactory system cell types predate the vertebrates, as do some of the mechanisms specifying placodes, and it is likely these two were already connected in the common ancestor of vertebrates and tunicates. In stem vertebrates, this evolved into an organ system integrating additional tissues and morphogenetic processes defining distinct olfactory and adenohypophyseal components, followed by splitting of the ancestral placode to produce the characteristic paired olfactory organs of most modern vertebrates.
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Heinbockel, Thomas. "Understanding the olfactory system." Research Outreach, no. 109 (August 28, 2019): 18–21. http://dx.doi.org/10.32907/ro-109-1821.

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Semaniuk, Uliana. "Olfactory System in Drosophila." Journal of Vasyl Stefanyk Precarpathian National University 2, no. 1 (April 30, 2015): 85–92. http://dx.doi.org/10.15330/jpnu.2.1.85-92.

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Smell is an ancient sensory system presented virtually in organisms from bacteria tohumans. In Drosophila odors elicit a variety of behavioral responses in relatively simple butsensitive olfactory system. An increasing number of mutants have been found to be defective inolfactory function. Genetic and molecular analysis of the olfactory system of the fruit fly haveidentified many molecular components, and have revealed some principles of its function andorganization
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Keverne, E. B. "The vertebrate olfactory system." Neuroscience 43, no. 1 (January 1991): 285. http://dx.doi.org/10.1016/0306-4522(91)90436-r.

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Garcia-Gonzalez, D., V. Murcia-Belmonte, D. Clemente, and F. De Castro. "Olfactory System and Demyelination." Anatomical Record 296, no. 9 (July 31, 2013): 1424–34. http://dx.doi.org/10.1002/ar.22736.

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Arifani, Tania. "Overview of Anatomy and Physiology of Gustatory and Olfactory System." Sriwijaya Journal of Otorhinolaryngology 1, no. 2 (December 22, 2023): 36–39. http://dx.doi.org/10.59345/sjorl.v1i2.93.

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The olfactory system is involved in detecting potential threats in the environment, generating sensations of enjoyment, facilitating proper nourishment, impacting sexual behavior, and regulating mood. Concurrently, the human taste system identifies hydrophilic molecules dissolved in saliva. The purpose of this review was to offer a thorough depiction of the human gustatory and olfactory systems. The various regions of the brain and the taste pathways transmit and receive information through distinct mechanisms. The taste circuits and various regions of the brain interconnect bidirectionally. The peripheral subdivision of the olfactory system consists of the olfactory epithelium and nerve fascicles. On the other hand, the central subdivision includes the olfactory bulb and its links to the central nervous system. Olfactory dysfunction (smell) and gustatory dysfunction (taste) can manifest independently or together. The robust correlation between olfaction and gustation engenders a gustatory feeling. Disruption of a feeling can alter the sense of flavor. Human olfactory and taste senses become less sensitive as they age.
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Lledo, Pierre-Marie, Gilles Gheusi, and Jean-Didier Vincent. "Information Processing in the Mammalian Olfactory System." Physiological Reviews 85, no. 1 (January 2005): 281–317. http://dx.doi.org/10.1152/physrev.00008.2004.

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Recently, modern neuroscience has made considerable progress in understanding how the brain perceives, discriminates, and recognizes odorant molecules. This growing knowledge took over when the sense of smell was no longer considered only as a matter for poetry or the perfume industry. Over the last decades, chemical senses captured the attention of scientists who started to investigate the different stages of olfactory pathways. Distinct fields such as genetic, biochemistry, cellular biology, neurophysiology, and behavior have contributed to provide a picture of how odor information is processed in the olfactory system as it moves from the periphery to higher areas of the brain. So far, the combination of these approaches has been most effective at the cellular level, but there are already signs, and even greater hope, that the same is gradually happening at the systems level. This review summarizes the current ideas concerning the cellular mechanisms and organizational strategies used by the olfactory system to process olfactory information. We present findings that exemplified the high degree of olfactory plasticity, with special emphasis on the first central relay of the olfactory system. Recent observations supporting the necessity of such plasticity for adult brain functions are also discussed. Due to space constraints, this review focuses mainly on the olfactory systems of vertebrates, and primarily those of mammals.
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Dissertations / Theses on the topic "Olfactory system"

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Clark, Stephen. "Aging in the mammalian olfactory system /." View online, 2009. http://repository.eiu.edu/theses/docs/32211131566906.pdf.

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Farivar, Shabnam Sarah Laurent Gilles. "Cytoarchitecture of the locust olfactory system /." Diss., Pasadena, Calif. : California Institute of Technology, 2005. http://resolver.caltech.edu/CaltechETD:etd-04212005-143332.

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Pascarella, Giovanni. "Targeting the complexity of mouse olfactory system." Doctoral thesis, SISSA, 2008. http://hdl.handle.net/20.500.11767/4677.

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In recent years the research on the olfactory system has entered a phase of deep innovation, regardless of the animal model taken as a reference. While the advancements achieved in different fields have provided answer to old questions, the striking evidences that have emerged in this new olfactory landscape have brought new ideas, new hypothesis and new scientific problems that necessarily need to be approached with adequate tools and strategies. The work presented in this thesis has targeted three different issues among the more intriguing ones concerning the murine olfactory system. The project described in the first section has conf ronted with the molecular identity of the Calcium-activated chloride channel responsible for the amplification of cationic currents in olfactory sensory neurons, a key mechanism for the triggering of action potentials after binding of odour molecules with their specific receptors. Olfactory microvillar cells constitute a cell population largely represented in the main olfactory epithelium, but their role is still poorly understood mostly because a precise genomic characterization of this cell-type has never been undertaken; the project presented in the second section has tried to reveal the genomic fingerprint of microvillar cells through a custom gene expression profiling. The data presented in the third section of this thesis are the result of a deep genomic investigation that has targeted the entire transcriptome of the olfactory sensory epithelium exploiting a newly developed high-throughput tagging approach derived from the Cap-Analysis of Gene Expression (CAGE) technology. The potential of this workflow has allowed revealing new details about the expression of pheromone vomeronasal receptors in the main olfactory epithelium.
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Millman, Daniel Joseph. "Emergence of Reward Coding in the Olfactory System." Thesis, Harvard University, 2016. http://nrs.harvard.edu/urn-3:HUL.InstRepos:33493347.

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Identifying dangerous or rewarding elements in an animal’s surroundings is an important – if not primary – function of sensory systems. This holds particularly true for the mouse olfactory system since odors convey crucial information about predators, mates, kin and food. Thus, the olfactory system needs to effectively determine which odors are present as well as whether each odor has a positive or negative association, termed valence. Currently, we have little knowledge of how reward influences the processing of odors in the olfactory system of behaving mice. My work focuses on two high-level olfactory areas, the posterior piriform cortex (pPC) and olfactory tubercle (OT), that are situated at the intersection of sensory and reward-related brain regions. The pPC receives direct input from early olfactory areas and makes reciprocal connections to cognitive brain regions such as orbitofrontal cortex, limbic structures and the medial temporal lobe. The OT is a part of the ventral striatum which also receives input from early olfactory areas and is heavily interconnected with the reward system. To examine odor and reward coding in these areas, I developed a novel odor categorization task and recorded individual pPC and OT neurons during task performance. Mice successfully learn multiple, novel odor-response associations after only a few repetitions when the contingencies predict reward. I find that an explicit representation for reward category emerges in the OT within minutes of learning a novel odor-response association, whereas the pPC lacks an explicit representation even after more than one month of overtraining. The explicit representation is visible in the first sniff of an odor on each trial, when the motor decision is made, and is not correlated with the trial-to-trial motor decision. Together, these results suggest that decoding of stimulus information required for reward-driven sensorimotor decision making does not occur within olfactory cortex, rather decoding occurs in circuits involving olfactory striatum.
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Prieto, Godino Laura Lucía. "Embryonic development of the olfactory system in Drosophila melanogaster." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609400.

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Che, Harun Fauzan Khairi. "Mimicking the human olfactory system : a portable e-­mucosa." Thesis, University of Warwick, 2009. http://wrap.warwick.ac.uk/3130/.

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The study of electronic noses has been an active area of research for over 25 years. Commercial instruments have been successfully deployed within niche application areas, for example, the food, beverage and pharmaceutical industries. However, these instruments are still inferior to their human counterparts and have not achieved mainstream success. Humans can distinguish and identify many thousands of different aromas, even at very low concentration levels, with relative ease. The human olfactory system is extremely sophisticated, which allows it to out-­perform artificial instruments. Though limited, artificial instruments can provide a lower cost option to specific problems and can be an alternative to the use of organoleptic panels. Most existing commercial electronic nose (e-­nose) instruments are expensive, bulky, desktop units, requiring a PC to operate. In addition, these instruments usually require a trained operator to gather and analyse the data. Motivated to improve the performance, size and cost of e-­nose instruments, this research aims to extract biological principles from the mammalian olfactory system to aid the implementation of a portable e-­nose instrument. This study has focused on several features of the biological system that may provide the key to its superior performance. Specifically, the large number of different olfactory receptors and the diversity of these receptors; the nasal chromatograph effect; stereo olfaction; sniff rate and odour conditioning. Based on these features, a novel, portable, cost effective instrument, called the Portable e-­Mucosa (PeM), has been designed, implemented and tested. The main components of the PeM are three sensor arrays each containing 200 carbon black composite chemoresistive sensors (totalling 600 sensors with 24 different tunings) mimicking the large number of olfactory receptors and two gas chromatographic columns (coated with non-­polar and polar compounds to maximise the discrimination) emulating the “nasal chromatograph” effect of the human mucus. A preconcentrator based on thermal desorption is also included as an odour collection system to further improve the instrument. The PeM provides USB and Multimedia Memory Card support for easy communication with a PC. The instrument weighs 700g and, with dimensions of 110 x 210 x 110 mm, is slightly larger than the commercial Cyranose 320 (produced by Smiths Detection). This novel instrument generates ‘spatio-­temporal’ data and when coupled with an appropriate pattern recognition algorithm, has shown an enhanced ability to discriminate between odours. The instrument successfully discriminates between simple odours (ethanol, ethyl acetate and acetone) and more complex odours (lavender, ylang ylang, cinnamon and lemon grass essential oils). This system can perhaps be seen as a foundation for a new generation of e-noses.
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Hawkins, Sara Joy. "The timing of regeneration in the amphibian olfactory system." Master's thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/15444.

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Mestrado em Biologia Molecular e Celular
Comprehending the mechanisms that make lifelong neurogenesis possible has a clear interest for the better understanding of the basic principles that govern cellular and molecular interactions in the nervous system, as well as a relevant clinical interest. The limited ability of the central nervous system to generate new neurons in order to replace those that have been lost is a formidable obstacle to recovery from neuronal damage caused by injury or neurodegenerative disease. The olfactory system (OS) is an ideal system to study the process of neuronal recovery after injury, as it is known for its lifelong capacity to replenish cells lost during natural turnover, as well as its remarkable ability to regenerate after severe lesion. The olfactory epithelium (OE) shows neurogenesis throughout life. Newly differentiated olfactory receptor neurons (ORNs) are continuously reintegrated into an existing circuitry to maintain the sense of smell. The aim of this thesis is to describe the morphological and functional alterations that occur over time in the OS of larval Xenopus laevis, after transection of the olfactory nerve (ON). Results obtained using immunohistochemistry essays, as well as sensory neuron labeling and calcium imaging techniques, indicate that ORN cell death reaches its peak 48 hours after transection, and that proliferating stem cells found in the basal cell layer of the OE are quickly upregulated after lesion. Supporting cells seem to maintain both morphological and functional integrity after transection of the ON. The OE recovers its original morphological structure 1 week after transection, at which time the first axons reach the olfactory bulb (OB) and begin the process of reinnervation. Spontaneous activity of mitral/tufted cells occurs in the OB during the first weeks after transection but no odor-induced activity is observed. After 3-4 weeks glomerular responses were observed in some animals upon application of stimulus, but the response and glomerular morphology are clearly altered as compared to control. After 6-7 weeks responses seem to have fully recovered, indicating that the OS of larval X. laevis recovers morphologically and functionally 6-7 weeks after ON transection.
O estudo dos mecanismos responsáveis pela neuro-regeneração tem um marcado interesse para a compreensão dos princípios básicos que governam as interações celulares e moleculares no sistema nervoso, bem como um interesse clínico relevante. A limitada capacidade do sistema nervoso central para dar origem a novos neurónios é um obstáculo formidável para a recuperação do sistema após lesão neuronal ou doença neurodegenerativa. O sistema olfativo é um sistema ideal para o estudo do processo de recuperação após lesão neuronal, pois é conhecido no mundo científico pela sua capacidade contínua e vitalícia para repor células perdidas durante a renovação celular natural, bem como a sua notável capacidade para regenerar após uma lesão grave. O epitélio olfativo apresenta a capacidade para dar origem a novos neurónios ao longo de toda a vida. Neurónios sensoriais olfativos diferenciados são continuamente reintegrados num circuito já existente, mantendo assim o sentido do olfato. O objetivo desta tese é descrever as alterações morfológicas e funcionais que ocorrem ao longo do tempo no sistema olfativo de Xenopus laevis em estado larvar, após o corte do nervo olfativo. Os resultados obtidos através do uso de ensaios de imunohistoquímica, bem como técnicas de marcação neuronal sensorial e de imagiologia de cálcio, indicam que a morte celular na população de neurónios sensoriais olfativos atinge o seu máximo 48 horas após a lesão, e que células estaminais encontradas na camada basal do epitélio olfativo são positivamente reguladas após lesão e proliferam rapidamente. Células de suporte parecem manter tanto a integridade morfológica como funcional após o corte do nervo olfativo. O epitélio olfativo recupera a sua estrutura morfológica inicial 1 semana após a lesão, momento em que os primeiros axónios atingem o bolbo olfativo e começam o processo de reintegração. Ocorre atividade espontânea das células mitrais/tufados do bolbo olfativo durante as primeiras semanas após a lesão, mas nenhuma atividade induzida por estímulo com odor foi observada. Depois de 3-4 semanas, atividade glomerular foi observada em alguns animais após a aplicação de estímulos, mas a resposta e morfologia glomerular foram claramente alteradas em relação ao controlo. Depois de 6-7 semanas as respostas parecem ter recuperado totalmente, indicando que o sistema olfativo de X. laevis em estado larvar recupera morfológica e funcionalmente 6-7 semanas após o corte do nervo olfativo.
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Lee, Mary Elizabeth. "Axon growth and neuron-glia interactions in the olfactory system /." Thesis, Connect to this title online; UW restricted, 1997. http://hdl.handle.net/1773/5684.

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Sinding, Charlotte, François Valadier, Viviana Al-Hassani, Gilles Feron, Anne Tromelin, Ioannis Kontaris, and Thomas Hummel. "New determinants of olfactory habituation." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-227051.

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Habituation is a filter that optimizes the processing of information by our brain in all sensory modalities. It results in an unconscious reduced responsiveness to continuous or repetitive stimulation. In olfaction, the main question is whether habituation works the same way for any odorant or whether we habituate differently to each odorant? In particular, whether chemical, physical or perceptual cues can limit or increase habituation. To test this, the odour intensity of 32 odorants differing in physicochemical characteristics was rated by 58 participants continuously during 120s. Each odorant was delivered at a constant concentration. Results showed odorants differed significantly in habituation, highlighting the multifactoriality of habituation. Additionally habituation was predicted from 15 physico-chemical and perceptual characteristics of the odorants. The analysis highlighted the importance of trigeminality which is highly correlated to intensity and pleasantness. The vapour pressure, the molecular weight, the Odor Activity Value (OAV) and the number of double bonds mostly contributed to the modulation of habituation. Moreover, length of the carbon chain, number of conformers and hydrophobicity contributed to a lesser extent to the modulation of habituation. These results highlight new principles involved in the fundamental process of habituation, notably trigeminality and the physicochemical characteristics associated.
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Lim, Jung-Eun Jane. "INVESTIGATING THE ROLE OF NEUROGLIAN IN OLFACTORY RECEPTOR AXON PATHFINDING IN THE DEVELOPING OLFACTORY SYSTEM OF DROSOPHILA MELANOGASTER." Thesis, The University of Arizona, 2009. http://hdl.handle.net/10150/192534.

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Books on the topic "Olfactory system"

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Mori, Kensaku, ed. The Olfactory System. Tokyo: Springer Japan, 2014. http://dx.doi.org/10.1007/978-4-431-54376-3.

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Goldstein, Bradley J., and Hiroaki Matsunami, eds. The Olfactory System. New York, NY: Springer US, 2023. http://dx.doi.org/10.1007/978-1-0716-3425-7.

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Margolis, Frank L., and Thomas V. Getchell, eds. Molecular Neurobiology of the Olfactory System. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4613-0989-5.

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The vertebrate olfactory system: Chemical neuroanatomy, function, and development. Budapest: Akadémiai Kiadó, 1990.

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Ball, M. D. Optical measurement of transient potentials in the olfactory system. Manchester: UMIST, 1995.

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Fard, Ahmad M. A study of semiconductor sensors for an electronic olfactory system. [s.l.]: typescript, 1985.

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Galbraith, David Allen. A study of the regeneration of olfactory neuron populations in Rana pipiens. [New Haven: s.n.], 1988.

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W, Breipohl, and Apfelbach Raimund, eds. Ontogeny of olfaction: Principles of olfactory maturation in vertebrates. Berlin: Springer-Verlag, 1986.

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L, Margolis Frank, and Getchell Thomas V, eds. Molecular neurobiology of the olfactory system: Molecular, membranous, and cytological studies. New York: Plenum Press, 1988.

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Tallkvist, Jonas. Nickel permeation pathways in the small intestine and the olfactory system. Uppsala: Sveriges Lantbruksuniversitet, 1997.

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Book chapters on the topic "Olfactory system"

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Heimer, Lennart. "Olfactory System." In The Human Brain and Spinal Cord, 269–76. New York, NY: Springer New York, 1995. http://dx.doi.org/10.1007/978-1-4612-2478-5_12.

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Yoshihara, Yoshihiro. "Zebrafish Olfactory System." In The Olfactory System, 71–96. Tokyo: Springer Japan, 2014. http://dx.doi.org/10.1007/978-4-431-54376-3_5.

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Mori, Kensaku, and Hiroyuki Manabe. "Unique Characteristics of the Olfactory System." In The Olfactory System, 1–18. Tokyo: Springer Japan, 2014. http://dx.doi.org/10.1007/978-4-431-54376-3_1.

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Touhara, Kazushige. "Odor and Pheromone Molecules, Receptors, and Behavioral Responses." In The Olfactory System, 19–38. Tokyo: Springer Japan, 2014. http://dx.doi.org/10.1007/978-4-431-54376-3_2.

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Sakano, Hitoshi. "Olfactory Map Formation in the Mouse." In The Olfactory System, 39–58. Tokyo: Springer Japan, 2014. http://dx.doi.org/10.1007/978-4-431-54376-3_3.

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Mori, Kensaku. "Odor Maps in the Olfactory Bulb." In The Olfactory System, 59–69. Tokyo: Springer Japan, 2014. http://dx.doi.org/10.1007/978-4-431-54376-3_4.

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Yamaguchi, Masahiro. "Interneurons in the Olfactory Bulb: Roles in the Plasticity of Olfactory Information Processing." In The Olfactory System, 97–132. Tokyo: Springer Japan, 2014. http://dx.doi.org/10.1007/978-4-431-54376-3_6.

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Nagayama, Shin, Kei M. Igarashi, Hiroyuki Manabe, and Kensaku Mori. "Parallel Tufted Cell and Mitral Cell Pathways from the Olfactory Bulb to the Olfactory Cortex." In The Olfactory System, 133–60. Tokyo: Springer Japan, 2014. http://dx.doi.org/10.1007/978-4-431-54376-3_7.

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Mori, Kensaku. "Piriform Cortex and Olfactory Tubercle." In The Olfactory System, 161–75. Tokyo: Springer Japan, 2014. http://dx.doi.org/10.1007/978-4-431-54376-3_8.

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Weiss, Tali, Lavi Secundo, and Noam Sobel. "Human Olfaction: A Typical Yet Special Mammalian Olfactory System." In The Olfactory System, 177–202. Tokyo: Springer Japan, 2014. http://dx.doi.org/10.1007/978-4-431-54376-3_9.

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Conference papers on the topic "Olfactory system"

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del Cueto Belchi, Alejandro, Daniel Garcia Rodriguez, Niklas Rothpfeffer, Jose Pelegri Sebastia, and Jose Chilo. "Multi-sensor olfactory system." In 2012 IEEE International Instrumentation and Measurement Technology Conference (I2MTC). IEEE, 2012. http://dx.doi.org/10.1109/i2mtc.2012.6229358.

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Yang, Guangyu Robert, Peter Yiliu Wang, Yi Sun, Ashok Litwin-Kumar, Richard Axel, and L. F. Abbott. "Evolving the Olfactory System." In 2019 Conference on Cognitive Computational Neuroscience. Brentwood, Tennessee, USA: Cognitive Computational Neuroscience, 2019. http://dx.doi.org/10.32470/ccn.2019.1355-0.

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Guo, Jr Hung, Kuo-Hsien Hsia, and Kuo-Lan Su. "A fuzzy olfactory detection system design." In 2014 Joint 7th International Conference on Soft Computing and Intelligent Systems (SCIS) and 15th International Symposium on Advanced Intelligent Systems (ISIS). IEEE, 2014. http://dx.doi.org/10.1109/scis-isis.2014.7044841.

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Oh, Joon Hak. "A Pattern Recognition Artificial Olfactory System Based on Human Olfactory Receptors and Organic Synaptic Devices." In MATSUS Spring 2024 Conference. València: FUNDACIO DE LA COMUNITAT VALENCIANA SCITO, 2023. http://dx.doi.org/10.29363/nanoge.matsus.2024.013.

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Ariyakul, Yossiri, Tomoyuki Aizawa, and Takamichi Nakamoto. "Visual-olfactory presentation system using a miniaturized olfactory display based on SAW streaming and electroosmotic pumps." In 2013 IEEE Virtual Reality (VR). IEEE, 2013. http://dx.doi.org/10.1109/vr.2013.6549409.

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Fu, Shihan, Jianhao Chen, Yi Cai, and Mingming Fan. "AromaBlendz: An Olfactory System for Crafting Personalized Scents." In CHI '24: CHI Conference on Human Factors in Computing Systems. New York, NY, USA: ACM, 2024. http://dx.doi.org/10.1145/3613905.3648670.

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Rahardi, Gamma Aditya, Khairul Anam, Ali Rizal Chaidir, and Devita Ayu Larasati. "Navigation System for Olfactory Mobile Robot by Using Machine Vision System." In 2021 IEEE 7th International Conference on Smart Instrumentation, Measurement and Applications (ICSIMA). IEEE, 2021. http://dx.doi.org/10.1109/icsima50015.2021.9526330.

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Wu, Bin, Qing-Hao Meng, Hui-Rang Hou, Ming Zeng, and Pei-Feng Qi. "An Olfactory Display System Integrated with Video Content Recognition." In 2018 13th World Congress on Intelligent Control and Automation (WCICA). IEEE, 2018. http://dx.doi.org/10.1109/wcica.2018.8630614.

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White, Joel E., L. Paul Waggoner, and John S. Kauer. "Explosives and landmine detection using an artificial olfactory system." In Defense and Security, edited by Russell S. Harmon, J. Thomas Broach, and John H. Holloway, Jr. SPIE, 2004. http://dx.doi.org/10.1117/12.547451.

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Sakamoto, Kunio, and Fumihiro Kanazawa. "Virtual vision system with actual flavor by olfactory display." In Photonics Asia 2010, edited by Toru Yoshizawa, Ping Wei, Jesse Zheng, and Tsutomu Shimura. SPIE, 2010. http://dx.doi.org/10.1117/12.869781.

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Reports on the topic "Olfactory system"

1

Kauer, John, Joel White, Timothy Turner, and Barbara Talamo. Principles of Odor Recognition by the Olfactory System Applied to Detection of Low-Concentration Explosives. Fort Belvoir, VA: Defense Technical Information Center, January 2003. http://dx.doi.org/10.21236/ada410979.

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Gothilf, Yoav, Yonathan Zohar, Susan Wray, and Hanna Rosenfeld. Inducing sterility in farmed fish by disrupting the development of the GnRH System. United States Department of Agriculture, October 2007. http://dx.doi.org/10.32747/2007.7696512.bard.

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Hypothalamic gonadotropinreleasing hormone (GnRH1) is the key hormone in the control of gametogenesis and gonadal growth in vertebrates. Developmentally, hypothalamic GnRHproducing neurons originate from the olfactory placode, migrate along olfactory axons into the forebrain, and continue to the preoptic area and hypothalamus where they function to stimulate gonadotropin secretion from the pituitary gland. An appropriate location of GnRH neurons within the hypothalamus is necessary for normal reproductive function in the adult; abnormal migration and targeting of GnRH neurons during embryogenesis results in hypogonadism and infertility. The developmental migration of GnRH neurons and axonal pathfinding in mammals are modulated by a plethora of factors, including receptors, secreted molecules, adhesion molecules, etc. Yet the exact mechanism that controls these developmental events is still unknown. We investigated these developmental events and the underlying mechanisms using a transgenic zebrafish model, Tg(gnrh1: EGFP), in which GnRH1 neurons and axons are fluorescently labeled. The role of factors that potentially affect the development of this system was investigated by testing the effect of their knockdown and mutation on the development of the GnRH1 system. In addition, their localization in relation to GnRH1 was described during development. These studies are expected to generate the scientific foundation that will lead to developing innovative technologies, based on the disruption of the early establishment of the GnRH system, for inducing sterility in farmed fish, which is highly desirable for economical and environmental reasons.
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Ori, Naomi, and Sarah Hake. Similarities and differences in KNOX function. United States Department of Agriculture, March 2008. http://dx.doi.org/10.32747/2008.7696516.bard.

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Hypothalamic gonadotropinreleasing hormone (GnRH1) is the key hormone in the control of gametogenesis and gonadal growth in vertebrates. Developmentally, hypothalamic GnRHproducing neurons originate from the olfactory placode, migrate along olfactory axons into the forebrain, and continue to the preoptic area and hypothalamus where they function to stimulate gonadotropin secretion from the pituitary gland. An appropriate location of GnRH neurons within the hypothalamus is necessary for normal reproductive function in the adult; abnormal migration and targeting of GnRH neurons during embryogenesis results in hypogonadism and infertility. The developmental migration of GnRH neurons and axonal pathfinding in mammals are modulated by a plethora of factors, including receptors, secreted molecules, adhesion molecules, etc. Yet the exact mechanism that controls these developmental events is still unknown. We investigated these developmental events and the underlying mechanisms using a transgenic zebrafish model, Tg(gnrh1: EGFP), in which GnRH1 neurons and axons are fluorescently labeled. The role of factors that potentially affect the development of this system was investigated by testing the effect of their knockdown and mutation on the development of the GnRH1 system. In addition, their localization in relation to GnRH1 was described during development. These studies are expected to generate the scientific foundation that will lead to developing innovative technologies, based on the disruption of the early establishment of the GnRH system, for inducing sterility in farmed fish, which is highly desirable for economical and environmental reasons.
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4

Zurada, Jacek M., Andy G. Lozowski, and Mykola Lysetskiy. Modeling of Spatial and Temporal Dynamics in Biological Olfactory Systems. Fort Belvoir, VA: Defense Technical Information Center, September 2007. http://dx.doi.org/10.21236/ada472796.

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5

Mizrach, Amos, Michal Mazor, Amots Hetzroni, Joseph Grinshpun, Richard Mankin, Dennis Shuman, Nancy Epsky, and Robert Heath. Male Song as a Tool for Trapping Female Medflies. United States Department of Agriculture, December 2002. http://dx.doi.org/10.32747/2002.7586535.bard.

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This interdisciplinaray work combines expertise in engineering and entomology in Israel and the US, to develop an acoustic trap for mate-seeking female medflies. Medflies are among the world's most economically harmful pests, and monitoring and control efforts cost about $800 million each year in Israel and the US. Efficient traps are vitally important tools for medfly quarantine and pest management activities; they are needed for early detection, for predicting dispersal patterns and for estimating medfly abundance within infested regions. Early detection facilitates rapid response to invasions, in order to contain them. Prediction of dispersal patterns facilitates preemptive action, and estimates of the pests' abundance lead to quantification of medfly infestations and control efforts. Although olfactory attractants and traps exist for capturing male and mated female medflies, there are still no satisfactorily efficient means to attract and trap virgin and remating females (a significant and dangerous segment of the population). We proposed to explore the largely ignored mechanism of female attraction to male song that the flies use in courtship. The potential of such an approach is indicated by studies under this project. Our research involved the identification, isolation, and augmentation of the most attractive components of male medfly songs and the use of these components in the design and testing of traps incorporating acoustic lures. The project combined expertise in acoustic engineering and instrumentation, fruit fly behavior, and integrated pest management. The BARD support was provided for 1 year to enable proof-of-concept studies, aimed to determine: 1) whether mate-seeking female medflies are attracted to male songs; and 2) over what distance such attraction works. Male medfly calling song was recorded during courtship. Multiple acoustic components of male song were examined and tested for synergism with substrate vibrations produced by various surfaces, plates and loudspeakers, with natural and artificial sound playbacks. A speaker-funnel system was developed that focused the playback signal to reproduce as closely as possible the near-field spatial characteristics of the sounds produced by individual males. In initial studies, the system was tasted by observing the behavior of females while the speaker system played songs at various intensities. Through morning and early afternoon periods of peak sexual activity, virgin female medflies landed on a sheet of filter paper at the funnel outlet and stayed longer during broadcasting than during the silent part of the cycle. In later studies, females were captured on sticky paper at the funnel outlet. The mean capture rates were 67 and 44%, respectively, during sound emission and silent control periods. The findings confirmed that female trapping was improved if a male calling song was played. The second stage of the research focused on estimating the trapping range. Initial results indicated that the range possibly extended to 70 cm, but additional, verification tests remain to be conducted. Further studies are planned also to consider effects of combining acoustic and pheromonal cues.
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