Electron microscopic study of the innervation of the renal tubules and urinary bladder epithelium in Rana catesbeiana and Necturus maculosus
Author
dc.contributor.author
Tsuneki, Kazuhiko
Author
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Kobayashi, Hideshi
Author
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Gallardo, Roberto
Author
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Pang, Peter K.T.
Admission date
dc.date.accessioned
2019-01-29T14:47:06Z
Available date
dc.date.available
2019-01-29T14:47:06Z
Publication date
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1984
Cita de ítem
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Journal of Morphology, Volumen 181, Issue 2, 2018, Pages 143-153
Identifier
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10974687
Identifier
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03622525
Identifier
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10.1002/jmor.1051810203
Identifier
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https://repositorio.uchile.cl/handle/2250/160546
Abstract
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The fine structure of the kidney and the bladder of the bullfrog (Rana catesbeiana), the bullfrog tadpole, and the mudpuppy (Necturus maculosus) were studied with special attention to the innervation of renal tubule cells and bladder epithelial cells. In the bullfrog kidney, nerve terminals and varicosities were frequently associated with the tubule cells, apparently in an increasing order from the proximal tubule to the connecting tubule. Although these terminals and varicosities did not directly contact the tubular cell membrane, an aggregation of synaptic vesicles on the side facing the tubule was considered as morphological evidence that neurotransmitter can be released here and can affect the transport activity of the tubule cells. The association of nerve varicosities with canaliculi cells in the connecting tubule was also demonstrated. In the bullfrog tadpoles, renal tubule cells were occasionally innervated. In the mudpuppy, renal tubule cells were only poorly innervated. The e