Relevant bibliographies by topics / Excretory canal

Academic literature on the topic 'Excretory canal'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Excretory canal"

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Sergeev, M. A., and O. I. Shorkina. "EFFICIENCY OF THE PUBLIC URETHROSTOMIA IN CIRCULAR URETHRAL CANAL OBSTRUCTION IN CATS." Scientific Notes Kazan Bauman State Academy of Veterinary Medicine 247, no. 3 (September 5, 2021): 232–36. http://dx.doi.org/10.31588/2413-4201-1883-247-3-232-236.

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Absolute indications for performing pubic urethrostomy in cats are recurrent stenosis and overgrowth of the urogenital canal fistula after its formation in the perineal region of the excretory system. Pubic urethrostomy, with the removal of the genitourinary canal outside the pelvic cavity in cats, is the best option for surgical treatment with significant traumatic damage and perforation of the genital part of the urethra and soft tissues in the perineum area.
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Burglin, T. R., and G. Ruvkun. "Regulation of ectodermal and excretory function by the C. elegans POU homeobox gene ceh-6." Development 128, no. 5 (March 1, 2001): 779–90. http://dx.doi.org/10.1242/dev.128.5.779.

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Caenorhabditis elegans has three POU homeobox genes, unc-86, ceh-6 and ceh-18. ceh-6 is the ortholog of vertebrate Brn1, Brn2, SCIP/Oct6 and Brn4 and fly Cf1a/drifter/ventral veinless. Comparison of C. elegans and C. briggsae CEH-6 shows that it is highly conserved. C. elegans has only three POU homeobox genes, while Drosophila has five that fall into four families. Immunofluorescent detection of the CEH-6 protein reveals that it is expressed in particular head and ventral cord neurons, as well as in rectal epithelial cells, and in the excretory cell, which is required for osmoregulation. A deletion of the ceh-6 locus causes 80% embryonic lethality. During morphogenesis, embryos extrude cells in the rectal region of the tail or rupture, indicative of a defect in the rectal epithelial cells that express ceh-6. Those embryos that hatch are sick and develop vacuoles, a phenotype similar to that caused by laser ablation of the excretory cell. A GFP reporter construct expressed in the excretory cell reveals inappropriate canal structures in the ceh-6 null mutant. Members of the POU-III family are expressed in tissues involved in osmoregulation and secretion in a number of species. We propose that one evolutionary conserved function of the POU-III transcription factor class could be the regulation of genes that mediate secretion/osmoregulation.
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Buechner, Matthew, Zhe Yang, and Hikmat Al-Hashimi. "A Series of Tubes: The C. elegans Excretory Canal Cell as a Model for Tubule Development." Journal of Developmental Biology 8, no. 3 (September 7, 2020): 17. http://dx.doi.org/10.3390/jdb8030017.

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Formation and regulation of properly sized epithelial tubes is essential for multicellular life. The excretory canal cell of C. elegans provides a powerful model for investigating the integration of the cytoskeleton, intracellular transport, and organismal physiology to regulate the developmental processes of tube extension, lumen formation, and lumen diameter regulation in a narrow single cell. Multiple studies have provided new understanding of actin and intermediate filament cytoskeletal elements, vesicle transport, and the role of vacuolar ATPase in determining tube size. Most of the genes discovered have clear homologues in humans, with implications for understanding these processes in mammalian tissues such as Schwann cells, renal tubules, and brain vasculature. The results of several new genetic screens are described that provide a host of new targets for future studies in this informative structure.
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Buechner, Matthew, David H. Hall, Harshida Bhatt, and Edward M. Hedgecock. "Cystic Canal Mutants in Caenorhabditis elegans Are Defective in the Apical Membrane Domain of the Renal (Excretory) Cell." Developmental Biology 214, no. 1 (October 1999): 227–41. http://dx.doi.org/10.1006/dbio.1999.9398.

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Mansursab, Shaikh Kalim. "Cestode Parasite (Platyhelminthes) of Rodent Rattus rattus (Linnaeus, 1758) from Aurangabad, Maharashtra, India with a Redescription of Hymenolepis diminuta (Rudolphi, 1819)." International Journal of Zoological Investigations 08, no. 01 (2022): 257–61. http://dx.doi.org/10.33745/ijzi.2022.v08i01.029.

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In this study Cestodes collected from a species of rodents of the genera Rattus rattus (Linnaeus, 1758) from Aurangabad district Maharashtra, India are reported. Sixty three specimens of the cestode parasites were collected from 23 infected intestines after examining 110 host house rat (Rattus rattus) at Aurangabad, (MS), India during the period of April, 2005-March, 2007. The present form of cestode parasite is redescribed on the basis of some similar characters with the previously described species Hymenolepis diminuta (Rudolphi, 1819). The characters of present form are similar with Hymenolepis diminuta having the scolex well-marked rostellum, hooks in single crown on rostellum, oval cirrus pouch, three testes, one poral and two aporal, two pairs longitudinal excretory canal and pre-ovarian ootype but differs due to globular scolex, squarish mature proglottids and differs in size of ovary (0.526 - 0.552 x 0.114 - 0.184 mm).
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Fujino, T., and Y. Ishii. "Comparative histochemical studies of glycosidase activity in some helminths." Journal of Helminthology 60, no. 1 (March 1986): 1–13. http://dx.doi.org/10.1017/s0022149x00008142.

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AbstractComparative histochemical studies of glycosidase activity were carried out in Clonorchis sinensis, Eurytrema pancreaticum, Fasciola hepatica, Dipylidium caninum, Hymenolepis nana, Ascaris suum, Toxocara canis, Ancylostoma caninum, Trichuris vulpis and Dirofilaria immitis. The enzymes examined were: N-Acetyl-α-Glucosaminidase (Ec 3.2.1.30), α-Glucuronidase (Ec 3.2.1.31) and α-Galactosidase (Ec 3.2.1.23). There were variations in enzyme distribution and intensity among the species and also between trematodes and nematodes; no marked positive reaction for these enzymes occurred in cestodes. In some trematodes, the caeca, especially in the brush border, and the tegument, subtegumental cells and testes, were reactive to the enzymes. In nematodes, although there was variation in reactions among species, N-acetyl-α-glucosaminidase and α-galactosidase were localized in the hypodermis and lateral cords excluding the excretory canal, and coelomocytes, intestinal epithelium and the walls of the reproductive systems.
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Polanska, Urszula M., Elisabeth Edwards, David G. Fernig, and Tarja K. Kinnunen. "The Cooperation of FGF Receptor and Klotho Is Involved in Excretory Canal Development and Regulation of Metabolic Homeostasis inCaenorhabditis elegans." Journal of Biological Chemistry 286, no. 7 (December 21, 2010): 5657–66. http://dx.doi.org/10.1074/jbc.m110.173039.

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WENNING, ANGELA. "Salt and Water Regulation in Macrobdella Decora (Hirudinea: Gnathobdelliformes) Under Osmotic Stress." Journal of Experimental Biology 131, no. 1 (September 1, 1987): 337–49. http://dx.doi.org/10.1242/jeb.131.1.337.

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The anatomy, infrastructure and innervation of the nephridia of the North American leech, Macrobdella decora (Say), are described. The osmotic concentrations of blood, crop fluid and final urine, as well as urine flow under normal conditions, were found to be similar to those of the well-studied European medicinal leech, Hirudo medicinalis L. The capacity of the excretory system after changes in external salinity, and after salt and water loading with artificial blood meals, was investigated. In contrast to H. medicinalis, M. decora does not tolerate hypertonic environments and is less efficient in rapidly excreting excess salt and water. Three factors make salt and water regulation in M. decora different from that in H. medicinalis: a slower fluid resorption from the crop, a limited transport capacity of the primary urine-forming cells, and a lower rate of salt reabsorption in the central canal. Note: Dedicated to Professor Dr Ernst Florey on the occasion of his 60th birthday.
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Manser, James, Chan Roonprapunt, and Ben Margolis. "C. elegansCell Migration Genemig-10Shares Similarities with a Family of SH2 Domain Proteins and Acts Cell Nonautonomously in Excretory Canal Development." Developmental Biology 184, no. 1 (April 1997): 150–64. http://dx.doi.org/10.1006/dbio.1997.8516.

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Shioi, Go, Michinari Shoji, Masashi Nakamura, Takeshi Ishihara, Isao Katsura, Hajime Fujisawa, and Shin Takagi. "Mutations Affecting Nerve Attachment of Caenorhabditis elegans." Genetics 157, no. 4 (April 1, 2001): 1611–22. http://dx.doi.org/10.1093/genetics/157.4.1611.

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Abstract Using a pan-neuronal GFP marker, a morphological screen was performed to detect Caenorhabditis elegans larval lethal mutants with severely disorganized major nerve cords. We recovered and characterized 21 mutants that displayed displacement or detachment of the ventral nerve cord from the body wall (Ven: ventral cord abnormal). Six mutations defined three novel genetic loci: ven-1, ven-2, and ven-3. Fifteen mutations proved to be alleles of previously identified muscle attachment/positioning genes, mup-4, mua-1, mua-5, and mua-6. All the mutants also displayed muscle attachment/positioning defects characteristic of mua/mup mutants. The pan-neuronal GFP marker also revealed that mutants of other mua/mup loci, such as mup-1, mup-2, and mua-2, exhibited the Ven defect. The hypodermis, the excretory canal, and the gonad were morphologically abnormal in some of the mutants. The pleiotropic nature of the defects indicates that ven and mua/mup genes are required generally for the maintenance of attachment of tissues to the body wall in C. elegans.
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Dissertations / Theses on the topic "Excretory canal"

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GUETAT, CHRISTOPHE. "L'azoospermie excretoire : etude de 100 observations personnelles d'anastomose epididymo-deferentielle." Lyon 1, 1989. http://www.theses.fr/1989LYO1M045.

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