acrosomal vesicle


ac·ro·so·mal ves·i·cle

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).

ac·ro·so·mal ves·i·cle

(ak'rō-sō'măl ves'i-kĕl) A vesicle derived from the Golgi apparatus during spermiogenesis; together with the acrosomal granule within, it spreads in a thin layer over the pole of the nucleus to form the acrosome.