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Zuasti, A., Ferrer, C., Ballesta, J., & Pastor, L. M. (1986). Ultrastructure of the renal corpuscle of testudo graeca (chelonia). a comparison between hibernating and non-hibernating animals. Histology and histopathology, 1(2), 139–146.
Added by: Admin (24 Aug 2008 20:04:53 UTC) |
Resource type: Journal Article BibTeX citation key: Zuasti1986 View all bibliographic details ![]() |
Categories: General Keywords: Histologie = histology, Physiologie = physiology, Schildkröten = turtles + tortoises, Testudinidae, Testudo, Testudo graeca Creators: Ballesta, Ferrer, Pastor, Zuasti Collection: Histology and histopathology |
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Abstract |
Testudinidae The renal corpuscle of hibernating and non-hibernating Testudo graeca was studied by means of light and electron microscopy. Renal corpuscles are small and have a glomerular architecture similar to that found in other vertebrates with a limited glomerular filtration rate. In hibernating animals, unlike non-hibernating, some morphological changes took place. The cells of the renal corpuscle were densely packed, podocytes and parietal cells showed a marked cytoplasmic vacuolization, there was a highly developed capillary basement membrane and the endothelial and mesangial cells showed abundant dense granules. These morphological features apparently correspond to a vacuolar degeneration. They may also be the morphological basis of the decrease in the glomerular filtration rate observed during this period.
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