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Ancient Greek [Term?] (base)



  1. (anatomy) The middle of the anterior margin of the foramen magnum of the skull.
    • 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.


Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for basion in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)