Cruciform eminence

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Cruciform eminence
Cruciform eminence05.png
Human skull. Position of cruciform eminence is shown in red.
Occipital bone. Inner surface.
Latin Eminentia cruciformis
Gray's p.130
TA A02.1.04.028
FMA 75754
Anatomical terms of bone

The internal surface of the occipital bone is deeply concave and divided into four fossae by a cruciform eminence (or cruciate eminence).

  • The superior two fossae, called cerebral fossa, are triangular and lodge the occipital lobes of the cerebrum.
  • The inferior two fossae, called cerebellar fossa, are quadrilateral and accommodate the hemispheres of the cerebellum.

The superior and inferior fossae are separated by a transverse groove. At the point of intersection between all four fossae is the internal occipital protuberance.

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This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

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