Middle cranial fossa

The middle cranial fossa is a butterfly-shaped depression of the skull base, which is narrow in the middle and wider laterally. It houses the temporal lobes of the cerebrum.

Gross anatomy

The middle cranial fossa can be divided into medial and lateral parts. In the medial part, the following structures are present from anterior to posterior:

The lateral part is considerably deeper than the medial part to allow for the temporal lobes. Structures present in the middle cranial fossa from anterior to posterior are:

Boundaries
  • anterior: posterior margins of the lesser wings of the sphenoid bone; anterior clinoid processes; anterior margin of the chiasmatic groove
  • posterior: anterior surface of petrous temporal bones; dorsum sellae
  • lateral:  squamous temporal bone; sphenoidal angles of the parietal bones; greater wings of the sphenoid bone
Head and neck anatomy
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Article Information

rID: 28338
System: Head & Neck
Section: Anatomy
Tags: pm, refs, cases, stub
Synonyms or Alternate Spellings:
  • Middle cranial fossa (MCF)

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