Cell and Tissue Biology

, Volume 12, Issue 3, pp 264–270 | Cite as

Gamet Ultrastructure in Some Species of the Genus Icelus (Pisces: Cottidae)

  • S. Yu. Neznanova


With the help of scanning and transmission electron microscopy, the morphology of spermatozoa of Icelus spiniger and egg envelopes of I. spiniger and I. spatula has been studied. Spermatozoa have an elongated head flattened on one side, an insignificant centriolar fossa, and numerous mitochondria in the middle section. The axoneme has a structure described by the formula 9 + 2. The envelopes of oocytes of both species have a follicular membrane, chorion, and zona radiata.


gamet ultrastructure spermatozoon oocyte envelopes Cottidae Icelus spiniger I. spatula 


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© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.Zhirmunsky Institute of Marine Biology, National Scientific Center of Marine Biology, Far East BranchRussian Academy of SciencesVladivostokRussia

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