title: Spondylolisthesis of the axis vertebra.
mesh_terms: D000328:Adult; D001368:Axis, Cervical Vertebra / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D011859:Radiography; D013168:Spondylolisthesis / Q000000981:diagnostic imaging*