title: Morphological alterations of bull spermatozoa during freezing and thawing.
mesh_terms: D000177:Acrosome / Q000473:pathology; D000818:Animals; D002417:Cattle / Q000502:physiology*; D005615:Freezing; D008297:Male; D012662:Semen Preservation / Q000662:veterinary*; D013094:Spermatozoa / Q000473:pathology*