Aglomerularism in Antarctic Fish
- 30 August 1974
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 185 (4153), 793-794
- https://doi.org/10.1126/science.185.4153.793
Abstract
Urine formation in antarctic bony fish does not involve glomerular filtration. Evidence for aglomerularism came from both direct observation of kidney serial sections by light microscopy and the low concentrations of inulin labeled with carbon-14 that were excreted into the urine when this renal clearance tracer was injected into the bloodstream via a cannula implanted in the caudal vein. Aglomerularism most likely prevents urinary loss of glycoproteins with biological antifreeze properties.Keywords
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