Publication: Structural and ultrastructural modifications of adenohypophyseal gonadotropic cells in goat (Capra hircus)
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Date
1992
Authors
Gómez, M.A. ; Bernabé, A. ; Gómez, S. ; Sánchez, J. ; Navarro Cámara, José Antonio
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Publisher
Murcia : F. Hernández
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DOI
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info:eu-repo/semantics/article
Description
Abstract
The structural and ultrastructural
modifications of the gonadotropic cells of goats were
studied with an immunohistochemical method
(peroxidase-antiperoxidase), in anoestrus, gestation and
milk production. The cell type which predominates in
anoestms corresponds in its morphological characteristics
to the classic FSH cells, and has two populations of
homogeneous and electrodense secretory granules (141 -
244 nm and 244 - 400 nm in diameter), rough
endoplasmic reticulum of flat cistemae and many largesized
lysosomes. During gestation secretory granules
show a characteristic reduction in size and are less
abundant; lysosomes are also more scarce and the
endoplasmic reticulum shows a high development;
dilated and intercommunicated cisternae show a slight
electrondense content, characteristic of typical LH cells.
During milk production the cells show an increase in the
number of secretory granules which are still small, and
an increase in the number of lysosomes which appear as
in anoestrus.
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