Foramen magnum in children--measurements of the antero-posterior diameter on midsagittal pneumotomograms.
D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005539:Foramen Magnum / Q000033:anatomy & histology* / Q000000981:diagnostic imaging / Q000254:growth & development; D006801:Humans; D007223:Infant; D014056:Tomography, X-Ray