Cranial Fossa, Posterior



Cranial Fossas, Posterior

Fossa, Posterior Cranial

Fossas, Posterior Cranial

Posterior Cranial Fossa

Posterior Cranial Fossas

The infratentorial compartment that contains the CEREBELLUM and BRAIN STEM. It is formed by the posterior third of the superior surface of the body of the sphenoid (SPHENOID BONE), by the occipital, the petrous, and mastoid portions of the TEMPORAL BONE, and the posterior inferior angle of the PARIETAL BONE.