[Variations in the shape of the foramen magnum and the structure of its posterior border].
D000328:Adult; D005260:Female; D005539:Foramen Magnum / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography
Varianty formy bol'shogo zatylochnogo otverstiia i stroeniia ego zadnego kraia.