Basion
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(′bās·ē′än)
(anatomy) In craniometry, the point on the anterior margin of the foramen magnum where the midsagittal plane of the skull intersects the plane of the foramen magnum.
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The midpoint of the anterior (ventral) border of the foramen magnum.
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Basion
| Basion | |
|---|---|
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| Occipital bone at birth. (Basion visible but not labeled.) | |
| Gray's | subject #46 181 |
The basion is part of the human body's musculoskeletal system and is located on the skull. Anatomically it can be identified as the mid-point on the anterior margin of the foramen magnum on the occipital bone.
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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.
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