Sertoli cell tumour in a horse.
D000818:Animals; D006734:Horse Diseases / Q000473:pathology*; D006736:Horses; D008297:Male; D012707:Sertoli Cell Tumor / Q000473:pathology / Q000662:veterinary*; D013736:Testicular Neoplasms / Q000473:pathology / Q000662:veterinary*; D013737:Testis / Q000473:pathology