Bibliographic Details
| Title: |
Histological Study of the Adrenal Gland of African White Rhinoceros. |
| Authors: |
Ke-mei Peng1 km.peng@yahoo.com, Hui Song1, Hua-zhen Liu1, Jian-bin Zhang1, Zhi-qiang Lu1, Zhi-wei Liu1, Yin-xue Liu1 |
| Source: |
Pakistan Veterinary Journal. Jul-Sep2012, Vol. 32 Issue 3, p394-397. 4p. |
| Subject Terms: |
*HISTOPATHOLOGY, *ADRENAL gland physiology, *WHITE rhinoceros, *MEDICAL microscopy, *CONNECTIVE tissues, *CYTOPLASM |
| Abstract: |
The microstructures of adrenal gland of white rhinoceros (Ceratotherium simum) were observed by light microscopy. The results showed that the surface envelope of adrenal gland was covered with developed connective tissues whose average thickness was up to 210 µm. A large number of sinusoids were distributed between the neighboring cells. The zona glomerulosa of adrenal cortex was thin and composed of columnar and cubic cells. The columnar cells were close to the edge and the cubic cells were found in the deep zone. The two kinds of cells were arranged in irregular groups. The thickness of zona fasiculata was about 3 times as much as that of zona glomerulosa, and the boundary was not obvious. Cells were arranged in irregular cords. Some small lipid droplets were in the shape of small vacuolation, and distributed in the cytoplasm. The cells of zona reticularis were adjacent to medulla with which they formed a jagged boundary. Cells were in network or in enclose acini. Medullae were darkly stained and clearly distinct from the cortex. Cells were large with elliptical nuclei whose nucleoli were significant. Cytoplasm was basophilic and stained to give blue violet appearance. A small amount of sympathetic ganglion cells were distributed in the medulla. The above results suggested that the adrenal gland structures of African white rhinoceros compared with other animals have similarities. . The rich sinusoids in capsule suggested that its blood supply was abundant, full of metabolism and endocrine activity. [ABSTRACT FROM AUTHOR] |
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| Database: |
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