Morphometric Differences in Testicular Tissue of Tadarida brasiliensis Bats from the Urban Area of Mexico City During Summer, Autumn, and Winter

Most of the neotropical bats reproduce in a seasonal fashion. The purpose of this study was to assess changes in testicular tissue by morphometry, in Tadarida brasiliensis bat, in a south urban zone of Mexico City during summer, autumn, and winter. Three sample collections (February, June, and Septe...

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Autores principales:	Pérez-Rivero,Juan J, Rendon-Franco,Emilio, Pérez-Martínez,Mario, Ávalos-Rodríguez,Alejandro, Ávila-Flores,Rafael
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2013
Materias:	Tadarida brasiliensis Morphometry Testicle Seasonal changes
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000300026
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spelling	oai:scielo:S0717-950220130003000262013-12-03Morphometric Differences in Testicular Tissue of Tadarida brasiliensis Bats from the Urban Area of Mexico City During Summer, Autumn, and WinterPérez-Rivero,Juan JRendon-Franco,EmilioPérez-Martínez,MarioÁvalos-Rodríguez,AlejandroÁvila-Flores,Rafael Tadarida brasiliensis Morphometry Testicle Seasonal changes Most of the neotropical bats reproduce in a seasonal fashion. The purpose of this study was to assess changes in testicular tissue by morphometry, in Tadarida brasiliensis bat, in a south urban zone of Mexico City during summer, autumn, and winter. Three sample collections (February, June, and September) from T. brasiliensis were carried out (n=6). Testicle fragments were obtained for histological studies. Diameter of the seminiferous tubules and interstitial space were measured, cellular populations were identified and counted. June samples showed smaller diameter of seminiferous tubules and larger interstitial space between tubules; also there were less number of germinal epithelium cells and spermatids were absent. Tissues from September and February showed a significant increase (p 0.05) in tubule diameter, germinal epithelium thickness, and number of germinal epithelium cells when compared to June samples. Only February samples showed presence of spermatids. Our results suggest the existence of seasonal variations in the reproductive activity of T. brasiliensis, under conditions in which the study was conducted.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.31 n.3 20132013-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000300026en10.4067/S0717-95022013000300026
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Tadarida brasiliensis Morphometry Testicle Seasonal changes
spellingShingle	Tadarida brasiliensis Morphometry Testicle Seasonal changes Pérez-Rivero,Juan J Rendon-Franco,Emilio Pérez-Martínez,Mario Ávalos-Rodríguez,Alejandro Ávila-Flores,Rafael Morphometric Differences in Testicular Tissue of Tadarida brasiliensis Bats from the Urban Area of Mexico City During Summer, Autumn, and Winter
description	Most of the neotropical bats reproduce in a seasonal fashion. The purpose of this study was to assess changes in testicular tissue by morphometry, in Tadarida brasiliensis bat, in a south urban zone of Mexico City during summer, autumn, and winter. Three sample collections (February, June, and September) from T. brasiliensis were carried out (n=6). Testicle fragments were obtained for histological studies. Diameter of the seminiferous tubules and interstitial space were measured, cellular populations were identified and counted. June samples showed smaller diameter of seminiferous tubules and larger interstitial space between tubules; also there were less number of germinal epithelium cells and spermatids were absent. Tissues from September and February showed a significant increase (p 0.05) in tubule diameter, germinal epithelium thickness, and number of germinal epithelium cells when compared to June samples. Only February samples showed presence of spermatids. Our results suggest the existence of seasonal variations in the reproductive activity of T. brasiliensis, under conditions in which the study was conducted.
author	Pérez-Rivero,Juan J Rendon-Franco,Emilio Pérez-Martínez,Mario Ávalos-Rodríguez,Alejandro Ávila-Flores,Rafael
author_facet	Pérez-Rivero,Juan J Rendon-Franco,Emilio Pérez-Martínez,Mario Ávalos-Rodríguez,Alejandro Ávila-Flores,Rafael
author_sort	Pérez-Rivero,Juan J
title	Morphometric Differences in Testicular Tissue of Tadarida brasiliensis Bats from the Urban Area of Mexico City During Summer, Autumn, and Winter
title_short	Morphometric Differences in Testicular Tissue of Tadarida brasiliensis Bats from the Urban Area of Mexico City During Summer, Autumn, and Winter
title_full	Morphometric Differences in Testicular Tissue of Tadarida brasiliensis Bats from the Urban Area of Mexico City During Summer, Autumn, and Winter
title_fullStr	Morphometric Differences in Testicular Tissue of Tadarida brasiliensis Bats from the Urban Area of Mexico City During Summer, Autumn, and Winter
title_full_unstemmed	Morphometric Differences in Testicular Tissue of Tadarida brasiliensis Bats from the Urban Area of Mexico City During Summer, Autumn, and Winter
title_sort	morphometric differences in testicular tissue of tadarida brasiliensis bats from the urban area of mexico city during summer, autumn, and winter
publisher	Sociedad Chilena de Anatomía
publishDate	2013
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000300026
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Morphometric Differences in Testicular Tissue of Tadarida brasiliensis Bats from the Urban Area of Mexico City During Summer, Autumn, and Winter

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