Agnathia in sheep: external observations.
D000015:Abnormalities, Multiple / Q000473:pathology / Q000662:veterinary; D000818:Animals; D005260:Female; D007569:Jaw Abnormalities / Q000473:pathology / Q000662:veterinary; D008297:Male; D008334:Mandible / Q000002:abnormalities*; D008342:Mandibulofacial Dysostosis / Q000473:pathology / Q000662:veterinary; D012756:Sheep; D012757:Sheep Diseases / Q000151:congenital / Q000473:pathology*