HISTOLOGICAL AND ULTRASTRUCTURAL STUDIES ON ADRENAL CORTEX OF EGYPTIAN BALADI GOATS
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Keywords:
adrenal cortex, distinguished,Abstract
The aim of this study was to investigate the structure of the goat adrenal cortex. For this purpose, thirty sixadrenals were collected from adult goats. The tissues were processed for both light and electron microscopy. The adrenal cortex is composed of three distinct zones. The outer zone is the zona glomerulosa and its cells arranged in glomerules. The zona fasciculata is the thickest zone and is composed of columns of secretory cells separated by prominent capillaries. The cells are polygonal and have many intracellular lipid droplets. The zona reticularis is also composed of polygonal cells, whose arrangement is less linear and more as round nests or clumps of cells. Ultrastructuraly: zona glomerulosa are characterized by prominent mitochondria with tubular cristae, zona fasciculata have many cytoplasmic lipid droplets, mitochondria with vesicular cristae, and abundant smooth endoplasmic reticulum. The zona reticularis is distinguished; by the presence of prominent lysosomes in the cytoplasm.References
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2. Galal, S. (2005): Biodiversity in goats. Small Rumin. Res., 60, 75-81.
3. Maximilian Bielohuby (2007): The mouse adrenal gland: age- and gender- dependant alternations of growth and function. PhD thesis, Faculty of Veterinary Medicine of the ludwig, Mamimilians University, Munich.
4. Rosol, T. J.; Yarrington, J. T.; Latendresse, J. and Capen, C. C. (2001): Adrenal Gland: Structure, Function, and Mechanisms of Toxicity. Toxicologic Pathology, 29 (1), 41–48.
5. Kempna´ P. and Flu¨ck C. E. (2008): Adrenal gland development and defects. Best Practice & Research
Clinical Endocrinology & Metabolism. 22 (1): 77–93.
6. Drury,R.A.B. and Wallington, E.A. (1980): Carleton's histological technique. 5TH Ed. Oxford University Press, New York and Toronto.
7. Bancroft, G.D. and Stevens, A. (1996): Theory and practice of histopathological technique. 4th Ed., Churchill Livingstone, Edinburgh. London, Melbourne and New York.
8. Hayat, M. A. (1986): Basic techniques for transmission electron microscopy, Academic Press, Inc. New York, Harcourt Brace, Jovnovich Publishers.
9. Dimova, T. (2003): Histological Features Of Goat Adrenal Gland During Puberty. Biologie Morphologie, 56 (4), 91-96.
10. Yılmaz, S. and Girgin, A. (2005): Light and electron microscopic observations on the structure of the porcupine (Hystrix cristata) adrenal gland. VETERINARSKI ARHIV 75 (3), 265-272.
11. Opatka, M.; Kamiñska,B. ; Doboszyñska, T. and Dusza, L. (2001): The morphometric parameters of adrenal cortex in sows: in normal condition and after prolactin infusion. Folia Morphol. Vol. 60 (4), 317.322.
12. Mitani F., Ogishima T., Miyamoto H., Ishimura Y., (1995): Localization of P450aldo and P45011h in
normal and regenerating rat adrenal cortex, Endocr. Res. 21 413– 423.
13. Banks, J. W. (1993): Applied Veterinary Histology, 3rd edn. St. Louis, Baltimore, Boston, Chicago, London, Philadelphia, Sydney, Toronto: Mosby Year Book.
14. Ross, M. H.; Reith, E. J. and Romrell, L. J. (1989): Histology: a text and atlas. Baltimore, Philadelphia, Hong Kong, London, Munich, Sydney, Tokyo: Williams &Wilkins.
15. Junqueira, L. C. and Carneiro, J. (2005): In: Basic Histology: Textbook, and Atlas, 10th edn (in Croatian, Z. Bradamante and Lj. Kostovic´-Knezˇevic´ eds). Zagreb: S ˇ kolska knjiga.
16. Pellegrini, A.; Soldani, P.; Gesi, M.; Lenzi, P.; Natale, G. and Paparelli, A. (1997): Effect of varying noise stress duration on rat adrenal gland: an ultrastructural study. Tissue&Cell. 29 (5) 597-602.
17. Almeida, H.; Matos, L.; Ferreira, J. and Neves, D. (2006): Age-Related effects of Dexamethasone administration in adrenal zona reticularis. Ann.N.Y.Acad.Sci. 354-360.
18. Dellmann, H.D. (1993): Textbook of veterinary histology. 4th Ed. Lea and Febiger, Philadelphia. Pp. 280-282.
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Al-Sadek, D. D. (2009). HISTOLOGICAL AND ULTRASTRUCTURAL STUDIES ON ADRENAL CORTEX OF EGYPTIAN BALADI GOATS. Experimental Biology, 47(1), 54–59. Retrieved from https://bb.kaznu.kz/index.php/biology/article/view/337
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HISTOLOGY, CYTOLOGY, CELL BIOLOGY
