Canadian Medical Guide > Anatomy > Body Regions > Head > Skull Base > Cranial Fossa, Middle Terms and Definitions




Cranial Fossa, Middle

Medical Definition: The compartment containing the anterior extremities and half the inferior surface of the temporal lobes (TEMPORAL LOBE) of the cerebral hemispheres. Lying posterior and inferior to the anterior cranial fossa (CRANIAL FOSSA, ANTERIOR), it is formed by part of the TEMPORAL BONE and SPHENOID BONE. It is separated from the posterior cranial fossa (CRANIAL FOSSA, POSTERIOR) by crests formed by the superior borders of the petrous parts of the temporal bones.
Guide Notes: NIM when merely locational; neopl: coord IM with SKULL BASE NEOPLASMS (IM)

Cranial Fossa, Middle Medical Definitions and Terms

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