Effects of thyroid hormone level alterations on the Weberian apparatus ontogeny of cyprinids (Cyprinidae; Teleostei)

Effects of thyroid hormone level alterations on the Weberian apparatus ontogeny of cyprinids... Effects of thyroid hormone (TH) level alterations on the development and definitive morphology of the Weberian apparatus (WA, morphofunctional complex, providing transmission of sound signals from the gas bladder to the labyrinth of inner ear) were experimentally assessed in cyprinid fishes (Labeobarbus intermedius and Danio rerio). Alterations of TH-level were shown to lead to heterochronies, changes of timing and rates of ontogenetic events resulting in changes of definitive morphology of some structures as well as of the WA as a whole. Differences in reaction of WA structures to the TH-level alterations, and inter- and intraspecific variability of TH-responsiveness were revealed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

Effects of thyroid hormone level alterations on the Weberian apparatus ontogeny of cyprinids (Cyprinidae; Teleostei)

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Publisher
Pleiades Publishing
Copyright
Copyright © 2014 by Pleiades Publishing, Inc.
Subject
Life Sciences; Developmental Biology; Animal Anatomy / Morphology / Histology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1134/S1062360414060058
Publisher site
See Article on Publisher Site

Abstract

Effects of thyroid hormone (TH) level alterations on the development and definitive morphology of the Weberian apparatus (WA, morphofunctional complex, providing transmission of sound signals from the gas bladder to the labyrinth of inner ear) were experimentally assessed in cyprinid fishes (Labeobarbus intermedius and Danio rerio). Alterations of TH-level were shown to lead to heterochronies, changes of timing and rates of ontogenetic events resulting in changes of definitive morphology of some structures as well as of the WA as a whole. Differences in reaction of WA structures to the TH-level alterations, and inter- and intraspecific variability of TH-responsiveness were revealed.

Journal

Russian Journal of Developmental BiologySpringer Journals

Published: Nov 12, 2014

References

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