title: Radiologic seminar. CXIV. Unfused odontoid.
mesh_terms: D000293:Adolescent; D001368:Axis, Cervical Vertebra / Q000002:abnormalities* / Q000293:injuries*; D002648:Child; D006801:Humans; D008297:Male; D011859:Radiography; D013124:Spinal Injuries / Q000000981:diagnostic imaging*; D014054:Tomography