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posterior cranial fossa

posterior cranial fossa The posterior cranial fossa is the lower back compartment of the skull, located below the tentorium.

The posterior cranial fossa is the lower back compartment of the skull, located below the tentorium. It is formed by parts of the sphenoid, temporal, and parietal bones and contains the cerebellum and brain stem.

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Sources

Drafting source: NCI Thesaurus. Flat export snapshot 2026-10-18. “Posterior Cranial Fossa” (C33361).
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PsychTerms (psychterms.org), CC BY 4.0, version 1. “posterior cranial fossa.” Development preview.

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