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Histological and ultrastructural studies on adrenal gland of goat with special reference to age variation
Faculty
Veterinary Medicine
Year:
2012
Type of Publication:
Theses
Pages:
121
Authors:
Dina Mohammad Mohammad AIsadek
BibID
11250388
Keywords :
Veterinary Histology
Abstract:
The adrenal glands are enclosed in two-layered capsule; an outer fibrous and an inner cellular layers. The cellular layer haselongated spindle shaped connective tissue cells. Originating from the capsule C. T. trabeculae. Clusters of cells resembled the cmedullary cells sometimes were found within the adrenal cortexand trabeculae. Their appearance was definitely related to theadvancing of age. Adrenal cortex is structured in three different layers. The zona glomerulosa; the outer most layer. The zona fasciculata; the middlelayer, and the zona reticularis; close to the adrenal medulla. The zona glomerulosa cells were large cuboidal and arranged ill subcapsular glomeruli. The zona glomerulosa and itsparenchymal cells did not show any age demonstrable relatedalterations in their growth, with the exception of increase inlipofuscin pigment and increase thickness of the connective tissuefibers. It appeared more vascular in young age than in the old one.The zona fasciculata revealed its cells were arranged radiallyin cords and were polygonal in shape. Very often binucleate cellscould be seen in advanced ages. The cells have many small lipidDROPlets and peripherally distributed lipid g1dbU1es. ”’W”ith afivanelligage the fasciculata cells appeared larger and engorged with large
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Dina Mohammad Mohammad AIsadek, "Histological and ultrastructural studies on adrenal gland of goat with special reference to age variation", 2012
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