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
TA A02.1.04.028
FMA 75754
Anatomical terms of bone

The cruciform eminence (or cruciate eminence), divides the deeply concave internal surface of the occipital bone into four fossae:

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

The upper fossae are separated from the lower fossae by a groove for the transverse sinuses. 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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