Foramen cecum (frontal bone)

The frontal crest of the frontal bone ends below in a small notch which is converted into a foramen, the foramen cecum (or foramen caecum), by articulation with the ethmoid.

Foramen cecum (frontal bone)
Frontal bone. Inner surface. (Foramen cecum visible as black hole near center bottom.)
Base of the skull. Upper surface. (Foramen cecum is third label from the top.)
LatinForamen caecum ossis frontalis
Anatomical terms of bone

The foramen cecum varies in size in different subjects, and is frequently impervious; when open, it transmits the emissary vein from the nose to the superior sagittal sinus. This has clinical importance in that infections of the nose and nearby areas can be transmitted to the meninges and brain from what is known as the danger triangle of the face.

Additional images

See also


This article incorporates text in the public domain from page 137 of the 20th edition of Gray's Anatomy (1918)

  • Anatomy image: skel/internal2 at Human Anatomy Lecture (Biology 129), Pennsylvania State University look for #2
  • "Anatomy diagram: 34257.000-2". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2014-01-01.

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