title: Proceedings: Acrosomal changes in spermatozoa of the casiragua, Proechimys guairae (Rodentia: Hystricomorpha), during passage through the epididymis: maturation or senescence?
mesh_terms: D000818:Animals; D002465:Cell Movement; D004822:Epididymis; D008247:Lysosomes / Q000502:physiology*; D008297:Male; D008854:Microscopy, Electron; D012377:Rodentia / Q000502:physiology*; D013094:Spermatozoa / Q000166:cytology / Q000254:growth & development / Q000502:physiology*