Cranial Fossa, Posterior

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.

Year introduced: 1991(1964)

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Do not include MeSH terms found below this term in the MeSH hierarchy.

Tree Number(s): A01.456.830.200, A02.835.232.781.750.400

MeSH Unique ID: D003388

Entry Terms:

• Cranial Fossas, Posterior
• Fossa, Posterior Cranial
• Fossas, Posterior Cranial
• Posterior Cranial Fossa
• Posterior Cranial Fossas
• Clivus

All MeSH Categories
Anatomy Category
Body Regions
Head
Skull Base
Cranial Fossa, Posterior
Jugular Foramina

All MeSH Categories
Anatomy Category
Musculoskeletal System
Skeleton
Bone and Bones
Skull
Skull Base
Cranial Fossa, Posterior
Jugular Foramina