middle cranial fossamedical dictionary

<anatomy> A butterfly-shaped portion of the internal base of the skull posterior to the sphenoidal ridges and limbus and anterior to the crests of the petrous part of the temporal bones and dorsum sellae; it lodges the temporal lobes of the brain in the lateral portions, and the hypophysis centrally.

Synonyms: fossa cranii media.

(05 Mar 2000)