Acrosome damage of ram spermatozoa during dilution, cooling and freezing.
D000177:Acrosome / Q000648:ultrastructure; D000818:Animals; D003080:Cold Temperature; D005306:Fertilization; D005615:Freezing; D008297:Male; D012756:Sheep / Q000502:physiology; D013094:Spermatozoa / Q000502:physiology* / Q000648:ultrastructure