Basion

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.

Additional images
 Image:Occipital bone Basion - animation01.gif|Human skull seen from below (basion shown in red). Animation. Image:Occipital bone Basion - animation03.gif|Occipital bone inner surface (basion shown in red). Animation. Image:Occipital bone Basion05.png|Occipital bone inner surface (basion shown in red). 