Publication: Ultrastructure of the renal corpuscle of Testudo graeca Chelonia. A comparison between hibernating and non-hibernating animals.
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Date
1986
Authors
Zuasti, A. ; Ferrer, C. ; Ballesta Germán, José ; Pastor García, Luis Miguel
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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 renal corpuscle of hibernating and nonhibernating
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
n~orphologicacl hanges took place. The cells of the renal
corpuscle were densely packed, podocytes and parietal cells
bhowed 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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Citation
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