[Abnormal mobility of the occipitocervical region in the odontoid process].
D006801:Humans; D009141:Musculoskeletal System; D009777:Occipital Bone / Q000002:abnormalities*; D009809:Odontoid Process; D013122:Spinal Diseases; D013131:Spine / Q000002:abnormalities*
OCCIPITAL BONE/abnormalities; SPINE/abnormalities