A testicular teratoma in a nyala (Tragelaphus angasi Gray, 1848).
D000818:Animals; D001188:Artiodactyla; D008297:Male; D013724:Teratoma / Q000473:pathology / Q000662:veterinary*; D013736:Testicular Neoplasms / Q000473:pathology / Q000662:veterinary*