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Quantitative histology of the acidophils of pars distalis adenohypophysis of Gaddi sheep (Ovis aries) - A seasonal study

Indian Agricultural Research Journals

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Title Quantitative histology of the acidophils of pars distalis adenohypophysis of Gaddi sheep (Ovis aries) - A seasonal study
 
Creator PARAMASIVAN, S
SHARMA, D N
 
Subject Acidophils, Histology, Mammotrophs, Sheep, Somatotrophs
 
Description The acidophils of sheep pituitary were differentially stained for somatotrophs and mammotrophs. A third type of acidophil called somatomammotroph was also observed, arranged mostly in clusters in the central area oftbe parenchymal cords of the pars distalis adenohypophysis. Somatotrophs (STH-cells) were large round, oval and polygonal cells with orange cyloplasmie granules. The average population of these cells was 1494±66,35 cells/mm2 during winter, which increased gradually in summer (1941± 125.98 cells/mm2). The results pointed towards their higher activity during summer and monsoon season and reduced activity duriilg winter. The mammotrophs were oval, round or elongated cells with carminophilic granules, which were mildly PAS-reactive and aldehyde fuchsin negative. The number of mammotrophs started increasing from spring (3668±97.06 cells/mm2) and reached to the maximum number during summer (4371 ±96 22 cells/mm2). which corresponds to lactating season or summer stress season.
 
Publisher Directorate of Knowledge Management in Agriculture
 
Contributor —
 
Date 2014-02-18
 
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/37761
 
Source The Indian Journal of Animal Sciences; Vol 72, No 9 (2002)
0367-8318
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAnS/article/view/37761/16932