||It has been suggested that this article be merged into Foramen magnum. (Discuss) Proposed since January 2015.|
Human skull seen from below (basion shown in red)
Base of the skull inferior surface (position of basion is shown at center)
The basion is part of the human body's musculoskeletal system and is located on the skull. Anatomically it can be identified as the midpoint on the anterior margin of the foramen magnum on the occipital bone. It is a cephalometric landmark.
Occipital bone inner surface (basion shown in red). Animation.
Occipital bone inner surface (basion shown in red).
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