The foramen magnum.
Rhoton
A L
AL
Department of Neurological Surgery, University of Florida, Gainesville, USA.
D001158:Arteries / Q000033:anatomy & histology / Q000601:surgery; D001933:Brain Stem / Q000033:anatomy & histology / Q000601:surgery; D002531:Cerebellum / Q000033:anatomy & histology / Q000601:surgery; D003391:Cranial Nerves / Q000033:anatomy & histology / Q000601:surgery; D005539:Foramen Magnum / Q000033:anatomy & histology* / Q000601:surgery; D006801:Humans; D008866:Microsurgery; D013116:Spinal Cord / Q000033:anatomy & histology / Q000601:surgery; D014680:Veins / Q000033:anatomy & histology / Q000601:surgery