Anthropologists confirm a direct link between upright two-legged (bipedal) walking and the position of the foramen magnum, a hole in the base of the skull that transmits the spinal cord.

Journal Reference: Gabrielle A. Russo, E. Christopher Kirk. Another look at the foramen magnum in bipedal mammals. Journal of Human Evolution, 2017; 105: 24 DOI: 10.1016/j.jhevol.2017.01.018 ...

On the bottom of your skull, there is a distinctive hole. The technical name for the opening is the foramen magnum the great hole that the spinal cord and other critical soft tissues run through.

Two-Legged Walking and Human Skull Traits Evolved in Tandem Fossilized skulls suggest that bipedalism and human evolution go hand-in-hand. Posted Mar 17, 2017 ...

The present paper is concerned with the phenomenon of interspecific allometry in primates and its relationship to the concept of adaptation. A metrical study of the primate skull was performed to ...

The mass is growing through the intervertebral foramen resulting in the dumb-bell shape. At surgery, pathological examination revealed a schwannoma. Schwannomas are histologically benign tumors seen ...

The combination of skull defects in the form of enlarged parietal foramina (PFM) and deficient ossification of the clavicles is known as parietal foramina with cleidocranial dysplasia (PFMCCD). It ...