Academic literature on the topic 'Ventrolateral Medulla'
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Journal articles on the topic "Ventrolateral Medulla"
Mandal, Aloke K., Pingyu Zhong, Kenneth J. Kellar, and Richard A. Gillis. "Ventrolateral Medulla." Journal of Cardiovascular Pharmacology 15 (1990): S49—S60. http://dx.doi.org/10.1097/00005344-199000157-00007.
Full textMandal, Aloke K., Pingyu Zhong, Kenneth J. Kellar, and Richard A. Gillis. "Ventrolateral Medulla." Journal of Cardiovascular Pharmacology 15 (January 1990): S49—S60. http://dx.doi.org/10.1097/00005344-199001001-00007.
Full textMcCall, R. B. "GABA-mediated inhibition of sympathoexcitatory neurons by midline medullary stimulation." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 255, no. 4 (October 1, 1988): R605—R615. http://dx.doi.org/10.1152/ajpregu.1988.255.4.r605.
Full textSun, Wei, and W. Michael Panneton. "The caudal pressor area of the rat: its precise location and projections to the ventrolateral medulla." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 283, no. 3 (September 1, 2002): R768—R778. http://dx.doi.org/10.1152/ajpregu.00184.2002.
Full textBergamaschi, Cássia T., Ruy R. Campos, and Oswaldo U. Lopes. "Rostral Ventrolateral Medulla." Hypertension 34, no. 4 (October 1999): 744–47. http://dx.doi.org/10.1161/01.hyp.34.4.744.
Full textKubo, T., H. Amano, and Y. Misu. "Caudal ventrolateral medulla." Naunyn-Schmiedeberg's Archives of Pharmacology 328, no. 4 (February 1985): 368–72. http://dx.doi.org/10.1007/bf00692902.
Full textLi, Y. W., Z. J. Gieroba, R. M. McAllen, and W. W. Blessing. "Neurons in rabbit caudal ventrolateral medulla inhibit bulbospinal barosensitive neurons in rostral medulla." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 261, no. 1 (July 1, 1991): R44—R51. http://dx.doi.org/10.1152/ajpregu.1991.261.1.r44.
Full textBlessing, W. W. "Depressor neurons in rabbit caudal medulla act via GABA receptors in rostral medulla." American Journal of Physiology-Heart and Circulatory Physiology 254, no. 4 (April 1, 1988): H686—H692. http://dx.doi.org/10.1152/ajpheart.1988.254.4.h686.
Full textNaraghi, Ramin, Michael R. Gaab, Gerhard F. Walter, and Berthold Kleineberg. "Arterial hypertension and neurovascular compression at the ventrolateral medulla." Journal of Neurosurgery 77, no. 1 (July 1992): 103–12. http://dx.doi.org/10.3171/jns.1992.77.1.0103.
Full textSteinbacher, B. C., and B. J. Yates. "Processing of vestibular and other inputs by the caudal ventrolateral medullary reticular formation." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 271, no. 4 (October 1, 1996): R1070—R1077. http://dx.doi.org/10.1152/ajpregu.1996.271.4.r1070.
Full textDissertations / Theses on the topic "Ventrolateral Medulla"
Zidon, Terese M. "Specific neuronal phenotypes within the rostral ventrolateral medulla following cardiovascular deconditioning in rats." Diss., Columbia, Mo. : University of Missouri-Columbia, 2008. http://hdl.handle.net/10355/6076.
Full textThe entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Includes bibliographical references.
Makeham, John Murray. "Functional neuroanatomy of tachykinins in brainstem autonomic regulation." University of Sydney, 1997. http://hdl.handle.net/2123/1960.
Full textLittle is known about the role that tachykinins, such as substance P and its receptor, the neurokinin-1 receptor, play in the generation of sympathetic nerve activity and the integration within the ventrolateral medulla (VLM) of many vital autonomic reflexes such as the baroreflex, chemoreflex, somato-sympathetic reflex, and the regulation of cerebral blood flow. The studies described in this thesis investigate these autonomic functions and the role of tachykinins through physiological (response to hypercapnoea, chapter 3), anatomical (neurokinin-1 receptor immunohistochemistry, chapter 4) and microinjection (neurokinin-1 receptor activation and blockade, chapters 5 and 6) experiments. In the first series of experiments (chapter 3) the effects of chemoreceptor activation with hyperoxic hypercapnoea (5%, 10% or 15% CO2 in O2) on splanchnic sympathetic nerve activity and sympathetic reflexes such as the baroreflex and somato-sympathetic reflex were examined in anaesthetized rats. Hypercapnoea resulted in sympatho-excitation in all groups and a small increase in arterial blood pressure in the 10 % CO2 group. Phrenic nerve amplitude and phrenic frequency were also increased, with the frequency adapting back to baseline during the CO2 exposure. Hypercapnoea selectively attenuated (5% CO2) or abolished (10% and 15% CO2) the somato-sympathetic reflex while leaving the baroreflex unaffected. This selective inhibition of the somato-sympathetic reflex while leaving the baroreflex unaffected was also seen following neurokinin-1 receptor activation in the rostral ventrolateral medulla (RVLM) (see below). Microinjection of substance P analogues into the RVLM results in a pressor response, however the anatomical basis for this response is unknown. In the second series of experiments (chapter 4), the distribution of the neurokinin-1 receptor in the RVLM was investigated in relation to catecholaminergic (putative sympatho-excitatory “C1”) and bulbospinal neurons. The neurokinin-1 receptor was demonstrated on a small percentage (5.3%) of C1 neurons, and a small percentage (4.7%) of RVLM C1 neurons also receive close appositions from neurokinin-1 receptor immunoreactive terminals. This provides a mechanism for the pressor response seen with RVLM microinjection of substance P analogues. Neurokinin-1 receptor immunoreactivity was also seen a region overlapping the preBötzinger complex (the putative respiratory rhythm generation region), however at this level a large percentage of these neurons are bulbospinal, contradicting previous work suggesting that the neurokinin-1 receptor is an exclusive anatomical marker for the propriobulbar rhythm generating neurons of the preBötzinger complex. The third series of experiments (chapter 5) investigated the effects of neurokinin-1 receptor activation and blockade in the RVLM on splanchnic sympathetic nerve activity, arterial blood pressure, and autonomic reflexes such as the baroreflex, somato-sympathetic reflex, and sympathetic chemoreflex. Activation of RVLM neurokinin-1 receptors resulted in sympatho-excitation, a pressor response, and abolition of phrenic nerve activity, all of which were blocked by RVLM pre-treatment with a neurokinin-1 receptor antagonist. As seen with hypercapnoea, RVLM neurokinin-1 receptor activation significantly attenuated the somato-sympathetic reflex but did not affect the sympathetic baroreflex. Further, blockade of RVLM neurokinin-1 receptors significantly attenuated the sympathetic chemoreflex, suggesting a role for RVLM substance P release in this pathway. The fourth series of experiments (chapter 6) investigated the role of neurokinin-1 receptors in the RVLM, caudal ventrolateral medulla (CVLM), and nucleus tractus solitarius (NTS) on regional cerebral blood flow (rCBF) and tail blood flow (TBF). Activation of RVLM neurokinin-1 receptors increased rCBF associated with a decrease in cerebral vascular resistance (CVR). Activation of CVLM neurokinin-1 receptors decreased rCBF, however no change in CVR was seen. In the NTS, activation of neurokinin-1 receptors resulted in a biphasic response in both arterial blood pressure and rCBF, but no significant change in CVR. These findings suggest that in the RVLM substance P and the neurokinin-1 receptor play a role in the regulation of cerebral blood flow, and that changes in rCBF evoked in the CVLM and NTS are most likely secondary to changes in arterial blood pressure. Substance P and neurokinin-1 receptors in the RVLM, CVLM and NTS do not appear to play a role in the brainstem regulation of tail blood flow. In the final chapter (chapter 7), a model is proposed for the role of tachykinins in the brainstem integration of the sympathetic baroreflex, sympathetic chemoreflex, cerebral vascular tone, and the sympatho-excitation seen following hypercapnoea. A further model for the somato-sympathetic reflex is proposed, providing a mechanism for the selective inhibition of this reflex seen with hypercapnoea (chapter 3) and RVLM neurokinin-1 receptor activation (chapter 5). In summary, the ventral medulla is essential for the generation of basal sympathetic tone and the integration of many vital autonomic reflexes such as the baroreflex, chemoreflex, somato-sympathetic reflex, and the regulation of cerebral blood flow. The tachykinin substance P, and its receptor, the neurokinin-1 receptor, have a role to play in many of these vital autonomic functions. This role is predominantly neuromodulatory.
Chan, Kai-wah Raymond. "A study on the neuronal properties of the rostral ventrolateral medulla in normotensive and spontaneously hypertensive rats /." [Hong Kong] : University of Hong Kong, 1991. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13014328.
Full text陳啓華 and Kai-wah Raymond Chan. "A study on the neuronal properties of the rostral ventrolateral medulla in normotensive and spontaneously hypertensive rats." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1991. http://hub.hku.hk/bib/B31232127.
Full textBourassa, Erick Arden. "The role of the renin-angiotensin system in controlling the rostral ventrolateral medulla in normotensive and hypertensive animals /." Full text available from ProQuest UM Digital Dissertations, 2008. http://0-proquest.umi.com.umiss.lib.olemiss.edu/pqdweb?index=0&did=1850439481&SrchMode=1&sid=6&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1277483754&clientId=22256.
Full textTypescript. Vita. "August 2008." Major professor: Robert C. Speth Includes bibliographical references (leaves 110-128). Also available online via ProQuest to authorized users.
Ott, Mackenzie M. "Functional Connectivity and Responses to Chemoreceptor Stimulation of Medullary Ventrolateral Respiratory Column Neurons." Scholar Commons, 2010. https://scholarcommons.usf.edu/etd/1734.
Full textKumar, Natasha N. "Studies on Cholinergic and Enkephalinergic Systems in Brainstem Cardiorespiratory Control." University of Sydney, 2007. http://hdl.handle.net/2123/2014.
Full textThis thesis addresses the neurochemistry and function of specific nuclei in the autonomic nervous system that are crucial mediators of cardiorespiratory regulation. The primary aim is to build on previous knowledge about muscarinic cholinergic mechanisms within cardiorespiratory nuclei located in the ventrolateral medulla oblongata. The general focus is characterisation of gene expression patterns of specific muscarinic receptor subtypes in central nuclei involved in blood pressure control and respiratory control in normal rats. The findings were subsequently extended by characterisation of muscarinic receptor gene expression patterns in 1) a rat model of abnormal blood pressure control (hypertension) (Chapter 3) 2) a rat model of cholinergic sensitivity (Chapter 5) 3) the rat ventral respiratory group (Chapter 6) The results of a series of related investigations that ensued from the initial aims more finely characterise the neurocircuitry of the ventrolateral medulla, from a specifically cholinoceptive approach. All five muscarinic receptor subtypes are globally expressed in the ventrolateral medulla but only the M2R mRNA was significantly elevated in the VLM of hypertensive animals compared to their normotensive controls and in the VLM of animals displaying cholinergic hypersensitivity compared to their resistant controls. Surprisingly, M2R mRNA is absent in catecholaminergic cell groups but abundant in certain respiratory nuclei. Two smaller projects involving gene expression of other neurotransmitter / neuromodulators expressed in cardiorespiratory nuclei were also completed during my candidature. Firstly, the neurochemical characterisation of enkephalinergic neurons in the RVLM, and their relationship with bulbospinal, catecholaminergic neurons in hypertensive compared to normotensive animals was carried out (Chapter 4). A substantial proportion of sympathoexcitatory neurons located in the RVLM were enkephalinergic in nature. However, there was no significant difference in preproenkephalin expression in the RVLM in hypertensive compared to normotensive animals. Secondly, the identification and distribution of components of the renin-angiotensin aldosterone system (RAAS) within the brainstem, and differences in gene expression levels between hypertensive and normotensive animals was also investigated. The RAAS data was not included in this thesis, since the topic digresses substantially from other chapters and since it is published (Kumar et al., 2006). The mRNA expression aldosterone synthase, mineralocorticoid receptor (MR1), 12-lipoxygenase (12-LO), serum- and glucocorticoid- inducible kinase and K-ras) were found to be present at all rostrocaudal levels of the ventrolateral medulla. Expression of MR1 mRNA was lower in the RVLM of SHR compared with WKY rats and 12-LO mRNA levels were lower in the CVLM in SHR compared with WKY rats. Otherwise, there was no difference in gene expression level, or the method of detection was not sensitive enough to detect differences in low copy transcripts between hypertensive and normotensive animals.
Bardgett, Megan Elyse. "NEURAL MECHANISMS OF SYMPATHETIC ACTIVATION DURING HYPERINSULINEMIA AND OBESITY-INDUCED HYPERTENSION." UKnowledge, 2010. http://uknowledge.uky.edu/gradschool_diss/46.
Full text黃德彬 and Tak-pan Wong. "An electrophysiological study of the projection from the paraventricular nucleus of hypothalamus to the cardiovascular neuronsin the rostral ventrolateral medulla of the rat." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B31212724.
Full textWong, Tak-pan. "An electrophysiological study of the projection from the paraventricular nucleus of hypothalamus to the cardiovascular neurons in the rostral ventrolateral medulla of the rat /." Hong Kong : University of Hong Kong, 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B14709120.
Full textBooks on the topic "Ventrolateral Medulla"
Yang, Zhuo. The influence of the paraventricular nucleus of the hypothalamus on cardiovascular neurones in the ventrolateral medulla in normotensive and hypertensive rats. Birmingham: University of Birmingham, 1999.
Find full textLuppi, Pierre-Hervé, Olivier Clément, Christelle Peyron, and Patrice Fort. Neurobiology of REM sleep. Edited by Sudhansu Chokroverty, Luigi Ferini-Strambi, and Christopher Kennard. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199682003.003.0003.
Full textBook chapters on the topic "Ventrolateral Medulla"
Chalmers, John P., Emilio Badoer, David Morilak, Guy Drolet, Jane B. Minson, Ida J. Llewellyn-Smith, Peter Somogyi, Vimal Kapoor, and Paul Pilowsky. "Afferent Inputs to Ventrolateral Medulla." In Central Neural Mechanisms in Cardiovascular Regulation, 3–13. Boston, MA: Birkhäuser Boston, 1991. http://dx.doi.org/10.1007/978-1-4615-9834-3_1.
Full textAllen, Andrew M., Shuichi Sasaki, Roger A. L. Dampney, Frederick A. O. Mendelsohn, and William W. Blessing. "Actions of Angiotensin II in the Ventrolateral Medulla Oblongata." In Central Neural Mechanisms in Cardiovascular Regulation, 95–103. Boston, MA: Birkhäuser Boston, 1991. http://dx.doi.org/10.1007/978-1-4615-9834-3_8.
Full textAverill, David B., Hiromi Muratani, Karla J. Madalin, and Carlos M. Ferrario. "Cardiovascular Actions of Angiotensin II in the Ventrolateral Medulla." In Central Neural Mechanisms in Cardiovascular Regulation, 104–21. Boston, MA: Birkhäuser Boston, 1991. http://dx.doi.org/10.1007/978-1-4615-9834-3_9.
Full textRuggiero, D. A., R. E. Gomez, S. L. Cravo, E. Mtui, M. Anwar, and D. J. Reis. "The Rostral Ventrolateral Medulla: Anatomical Substrates of Cardiopulmonary Integration." In Cardiorespiratory and Motor Coordination, 89–102. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-75507-1_11.
Full textMacrae, I. M., and J. L. Reid. "Cardiovascular effects of Neuropeptide Y in the Caudal Ventrolateral Medulla." In Opioid Peptides and Blood Pressure Control, 112–16. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73429-8_12.
Full textNolan, P. C., G. H. Dillon, and T. G. Waldrop. "Central Hypoxic Chemoreceptors in the Ventrolateral Medulla and Caudal Hypothalamus." In Advances in Experimental Medicine and Biology, 261–66. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-1933-1_49.
Full textVan Bockstaele, Elisabeth J., and Gary Aston-Jones. "Widespread Autonomic Afferents to the Nucleus Paragigantocellularis of the Rostral Ventrolateral Medulla." In Central Neural Mechanisms in Cardiovascular Regulation, 14–28. Boston, MA: Birkhäuser Boston, 1991. http://dx.doi.org/10.1007/978-1-4615-9834-3_2.
Full textMcMullan, Simon. "Identification of Spinally Projecting Neurons in the Rostral Ventrolateral Medulla In Vivo." In Stimulation and Inhibition of Neurons, 123–40. Totowa, NJ: Humana Press, 2012. http://dx.doi.org/10.1007/978-1-62703-233-9_7.
Full textHaxhiu, M. A., B. Erokwu, and I. A. Dreshaj. "Selective Hypoxic Loading of the Ventrolateral Medulla Inhibits Cholinergic Outflow to the Airways." In Oxygen Transport to Tissue XX, 467–73. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-4863-8_57.
Full textSapru, Hreday N. "Control of Blood Pressure by Muscarinic and Nicotinic Receptors in the Ventrolateral Medulla." In Tobacco Smoking and Nicotine, 287–300. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1911-5_18.
Full textConference papers on the topic "Ventrolateral Medulla"
Agarwala, Priya, Oanh Le-Hoang, Judith A. Neubauer, and Jagadeeshan Sunderram. "TIME COURSE OF INDUCTION OF HEME OXYGENASE –1 (HO-1) IN THE CENTRAL CARDIORESPIRATORY REGION OF THE ROSTRAL VENTROLATERAL MEDULLA (RVLM) IN MICE FOLLOWING CHRONIC INTERMITTENT HYPOXIA." In American Thoracic Society 2010 International Conference, May 14-19, 2010 • New Orleans. American Thoracic Society, 2010. http://dx.doi.org/10.1164/ajrccm-conference.2010.181.1_meetingabstracts.a4203.
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