Ultrastructural study of spermiogenesis in far-eastern redfins of the genus Tribolodon (Pisces: Cyprinidae)

Ultrastructural study of spermiogenesis in far-eastern redfins of the genus Tribolodon (Pisces:... The spermiogenesis and sperm morphology of the Far-eastern redfins Tribolodon hakonensis (Gunther, 1880), T. brandtii (Dybowskii, 1872), and T. sachalinensis (Okada, Ikeda, 1937) were studied using scanning and transmission electron microscopy. At the spermatid stage, ultrastructural analysis of male germ cells showed no obvious differences between these species. The spermatozoa are primitive acrosome-lacking cells, which are typically found in many representatives of Teleostei with external insemination. Unlike other cyprinids, the angle of inclination of centrioles relative to each other differs slightly in the species under study. The mitochondrial apparatus contains one to five (usually one to three) mitochondria in T. hakonensis, two in T. sachalinensis, and one mitochondrion in T. brandtii. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Ultrastructural study of spermiogenesis in far-eastern redfins of the genus Tribolodon (Pisces: Cyprinidae)

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2012 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S1063074012020071
Publisher site
See Article on Publisher Site

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