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Differentiation of bipotential gonads in buffalo foetus: A histomorphological study

Indian Agricultural Research Journals

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Title Differentiation of bipotential gonads in buffalo foetus: A histomorphological study
 
Creator SINGH, INDERPREET
BANSAL, NEELAM
UPPAL, VARINDER
ANURADHA, ANURADHA
 
Subject Buffalo foetus, Gonadal ridge, Indifferent gonads
 
Description The present study was conducted on buffalo fetuses during early prenatal life to determine the developmental stages from the gonadal ridge to form bipotential gonads. The present study was conducted on the gonads of buffalo fetuses from 2.5 to 4.2 cm CVRL to determine the development of bipotential gonads from the gonadal ridge. The gonadal ridge appeared as a globular or rectangular thickening on the ventromedial surface of mesonephros at 2.5–3.0 cm CVRL (40–42 days). It was lined by simple cuboidal type of epithelium and contained mesenchymal cells, immature RBC’s, differentiating fibroblasts and primordial germ cells. The formation of indifferent gonad started at 3.5 cm CVRL as paired rounded structures, which were attached to the mesonephros by a thin stalk and were present completely separated from the mesonephros at 4.0 cm CVRL. At 3.5 cm CVRL, these gonads were lined by simple cuboidal type of germinal epithelium with some interspersed PGC’s. The PGC’s and epithelium proliferated and penetrated into the underlying mesenchymal tissue to form primitive sex cords. In the centre of indifferent gonads the blastema was observed at 4 cm CVRL. The blastema had variable shape and prominent nucleus.
 
Publisher Directorate of Knowledge Management in Agriculture
 
Contributor —
 
Date 2015-01-23
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
—
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/46168
 
Source The Indian Journal of Animal Sciences; Vol 85, No 1 (2015)
0367-8318
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/46168/19987
 
Rights Copyright (c) 2015 The Indian Journal of Animal Sciences