Patterns of resorption of vitellogenous oocytes in the striped flounder Pleuronectes pinnifasciatus

Patterns of resorption of vitellogenous oocytes in the striped flounder Pleuronectes pinnifasciatus Two patterns of resorption of vitellogenous oocytes with the participation of follicular cells, differing in their morphological features, were revealed in the striped flounder Pleuronectes pinnifasciatus. In the prespawning season, the resorption affected a small number of oocytes with yolk granules and resembled in some features (destruction of the nucleus and radial coating) the atresia of ovarian follicles in many fish species previously studied. In the spawning season, resorption was specified by accretion of the follicular epithelium and release of the homogenized yolk from the oocytes to the follicular wall. No destruction of the radial coating was observed in that case, and the trophic material was utilized in protrusions of the follicular wall. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Patterns of resorption of vitellogenous oocytes in the striped flounder Pleuronectes pinnifasciatus

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Publisher
Springer Journals
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S1063074006010093
Publisher site
See Article on Publisher Site

Abstract

Two patterns of resorption of vitellogenous oocytes with the participation of follicular cells, differing in their morphological features, were revealed in the striped flounder Pleuronectes pinnifasciatus. In the prespawning season, the resorption affected a small number of oocytes with yolk granules and resembled in some features (destruction of the nucleus and radial coating) the atresia of ovarian follicles in many fish species previously studied. In the spawning season, resorption was specified by accretion of the follicular epithelium and release of the homogenized yolk from the oocytes to the follicular wall. No destruction of the radial coating was observed in that case, and the trophic material was utilized in protrusions of the follicular wall.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: Mar 29, 2006

References

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