Spermiogenesis and sperm structure in relation to early events of fertilization in the limpet Tectura testudinalis (Muller, 1776). (mollusks) From: The Biological Bulletin | Date: December 1, 1997| Author: Buckland-Nicks, John; Howley, Brent | COPYRIGHT 1997 Marine Biological Laboratory. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

Spermiogenesis and fertilization in the limpet Tectura testudinalis (Mollusca: Archaeogastropoda: Patelloidea) were examined using scanning and transmission electron microscopy, as well as light microscopy. Spermiogenesis was similar to that described for other Lottiidae (Patelloidea), but some key differences were noted. We observed that the acrosomal vesicle forms on the plasma membrane from several Golgi-derived proacrosomal vesicles during the early spermatid. Evidence from anti-actin ant...

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