title: Defective spermiogenesis in a 9-year-old stallion.
mesh_terms: D000818:Animals; D001284:Atrophy; D002062:Bursitis / Q000473:pathology / Q000662:veterinary; D005552:Forelimb; D006486:Hemosiderosis / Q000473:pathology / Q000662:veterinary; D006734:Horse Diseases / Q000473:pathology*; D006736:Horses; D008171:Lung Diseases / Q000473:pathology / Q000662:veterinary; D008297:Male; D010000:Osteitis / Q000473:pathology / Q000662:veterinary; D012661:Semen / Q000032:analysis / Q000166:cytology; D013091:Spermatogenesis; D013094:Spermatozoa; D013733:Testicular Diseases / Q000473:pathology / Q000662:veterinary*; D013737:Testis / Q000473:pathology