Observations on mammalian spermiogenesis using surface replicas.
D000818:Animals; D002467:Cell Nucleus / Q000648:ultrastructure; D006168:Guinea Pigs; D008253:Macaca mulatta; D008297:Male; D051379:Mice; D008854:Microscopy, Electron; D008870:Microtubules / Q000648:ultrastructure; D008928:Mitochondria / Q000648:ultrastructure; D011817:Rabbits; D051381:Rats; D012377:Rodentia; D012708:Sertoli Cells / Q000648:ultrastructure*; D013087:Spermatids / Q000648:ultrastructure*; D013091:Spermatogenesis; D013094:Spermatozoa / Q000648:ultrastructure*