acrosomal vesicle

Medical Dictionary

acrosomal vesicle n.
A vesicle derived from the Golgi apparatus during spermiogenesis; its membrane adheres to the nuclear envelope of the sperm and, together the the acrosomal granule within the vesicle, spreads in a thin layer over the pole of the nucleus to form the acrosomal cap.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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