File:BurgosFawcett1955 text-fig01.jpg

Text—Fig. 1. Diagrammatic representation of the sequence of stages of acrosome and head cap

(A to F) in the formation of the acrosome (A c) and head cap (C) from the Golgi complex (G). The acrosomal granule (Ac Gr) arises within a small Golgi vacuole (B). which becomes fixed to the anterior pole of the nucleus (N) and there enlarges (C, D, and E) as the acrosomal vesicle (Ac Ves). When the Golgi complex moves posteriorly in the elongation of the spermatid, the acrosomal vesicle collapses over the pole of the nucleus to form the closed head cap (C), and the plasma membrane (P A!) becomes closely applied to its surface Drawings based upon electron micrographs of figs. 3 to 8.

Reference

Burgos MH. and Fawcett DW. Studies on the Fine Structure of the Mammalian Testis I. Differentiation of the Spermatids in the Cat (Felis Domesrica) (1955) J. Biophxsic. Biochem. Cytol. 1(4): 287-300. PMID 13242594

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