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Hepatic ultrastructure in two species of normal, fasted and gravid teleost fishes

Hepatic ultrastructure in two species of normal, fasted and gravid teleost fishes Electron microscopic examination of the livers of two teleost fishes, the zebrafish (Brachydanio rerio) and the mosquito fish (Gambusia affinis), indicates that they are morphologically similar to each other in most aspects but different in several ways from other teleosts which have been described. The perisinusoidal space of Disse is greatly reduced in relation to other vertebrates, and is represented by plasmalemmal folds in the hepatocytes apposed to the sinusoidal endothelium. There are desmosomal connections between hepatocytes and those mesothelial cells adjacent to the pancreas. Other characteristics include lack of basement laminae throughout and accumulations of fine filaments within the hepatocytes parallel to the extracellular canaliculi. Intracellular canaliculi are incompletely surrounded by such filaments. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Anatomy Wiley

Hepatic ultrastructure in two species of normal, fasted and gravid teleost fishes

Weis, Peddrick
American Journal of Anatomy , Volume 133 (3) – Mar 1, 1972
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References (24)

Publisher
Wiley
Copyright
Copyright © 1972 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0002-9106
eISSN
1553-0795
DOI
10.1002/aja.1001330306
Publisher site
See Article on Publisher Site

Abstract

Electron microscopic examination of the livers of two teleost fishes, the zebrafish (Brachydanio rerio) and the mosquito fish (Gambusia affinis), indicates that they are morphologically similar to each other in most aspects but different in several ways from other teleosts which have been described. The perisinusoidal space of Disse is greatly reduced in relation to other vertebrates, and is represented by plasmalemmal folds in the hepatocytes apposed to the sinusoidal endothelium. There are desmosomal connections between hepatocytes and those mesothelial cells adjacent to the pancreas. Other characteristics include lack of basement laminae throughout and accumulations of fine filaments within the hepatocytes parallel to the extracellular canaliculi. Intracellular canaliculi are incompletely surrounded by such filaments.

Journal

American Journal of Anatomy – Wiley

Published: Mar 1, 1972

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