Choanal atresia-a manifestation of the Treacher Collins' syndrome.
D001842:Bone and Bones; D002754:Choanal Atresia; D005124:Eye Abnormalities; D005147:Facial Bones / Q000002:abnormalities*; D006801:Humans; D008342:Mandibulofacial Dysostosis
EYE/abnormalities; FACIAL BONES/abnormalities