Spermiogenesis in the surf clam Spisula solidissima with special reference to the formation of the acrosomal vesicle.
D000818:Animals; D002467:Cell Nucleus; D003593:Cytoplasm; D005854:Germ Cells / Q000166:cytology / Q000254:growth & development; D006056:Golgi Apparatus; D008297:Male; D008853:Microscopy; D008854:Microscopy, Electron; D008928:Mitochondria; D008974:Mollusca / Q000166:cytology*; D013094:Spermatozoa / Q000166:cytology*