basion

Etymology
From +.

Noun

 * 1)  The middle of the anterior margin of the foramen magnum of the skull.
 * 2) * 2010, John P. Dormans, Ejovi Ughwanogho, & Jaimo Ahn, "Pediatric Spine Trauma", Chapter 12 in Behrooz A. Akbarnia, Muharrem Yazici, & George H. Thompson (eds.) The Growing Spine: Management of Spinal Disorders in Young Children, page 138
 * The tectorial membrane limits extension, while odontoid impaction on the basion limits flexion.
 * 1) * 2010, John P. Dormans, Ejovi Ughwanogho, & Jaimo Ahn, "Pediatric Spine Trauma", Chapter 12 in Behrooz A. Akbarnia, Muharrem Yazici, & George H. Thompson (eds.) The Growing Spine: Management of Spinal Disorders in Young Children, page 138
 * The tectorial membrane limits extension, while odontoid impaction on the basion limits flexion.

Translations

 * Catalan: ,
 * French: