title: Embryology, Teratology, and arrested developmental disorders in otolaryngology.
abstract: The normal embryonic development of the head and neck is reviewed, with emphasis on the branchial derivatives. To understand teratology and the arrested developmental disorders in otolaryngology, a knowledge of normal embryogenesis is important. A brief review of some important congenital anomalies and syndromes is presented.
mesh_terms: D001934:Branchial Region / Q000033:anatomy & histology; D002869:Chromosome Aberrations / Q000175:diagnosis; D025063:Chromosome Disorders; D004423:Ear / Q000002:abnormalities* / Q000196:embryology; D005260:Female; D006257:Head / Q000002:abnormalities / Q000196:embryology*; D006801:Humans; D008297:Male; D009333:Neck / Q000002:abnormalities / Q000196:embryology*; D013577:Syndrome