The significance of the cytoplasmic droplet in the disintegration of semen in Guernsey bulls.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000175:diagnosis; D003593:Cytoplasm / Q000032:analysis; D007248:Infertility, Male / Q000209:etiology / Q000662:veterinary*; D008297:Male; D008858:Microscopy, Phase-Contrast; D012661:Semen / Q000032:analysis*; D012756:Sheep; D013094:Spermatozoa / Q000002:abnormalities / Q000032:analysis* / Q000378:metabolism