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Medical Term:

acrosomal vesicle


a vesicle derived from the Golgi apparatus during spermiogenesis the limiting membrane of which adheres to the nuclear envelope; together with the acrosomal granule within, it spreads in a thin layer over the pole of the nucleus to form the acrosome (acrosomal cap).

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.