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AnatomyHead and neckSkullForamen cecum of frontal bone
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AnatomyHead and neckSkullForamen cecum of frontal bone

Foramen cecum of frontal bone

Author: Edwin Ocran, MBChB, MSc • Reviewer: Dimitrios Mytilinaios, MD, PhD
Last reviewed: March 13, 2024
Reading time: 1 minute

Recommended video: Cranial fossae [11:38]
Structures of the cranial fossae.
Foramen cecum of frontal bone
Foramen caecum ossis frontalis
Synonyms: none

The foramen cecum is a small midline opening in the anterior cranial fossa, between the frontal and ethmoid bones. It is located at the base of the frontal crest, a midline bony ridge of the frontal bone, and just anterior to the crista galli, a thick, bony midline projection from the ethmoid bone.

The foramen cecum serves as a passageway for a dural diverticulum during fetal development, which typically involutes postnatally, leaving a blind-ended depression. In about 1% of adults, however, the foramen cecum remains patent and may transmit a nasal (frontal) emissary vein that connects the veins of the nasal cavities with the superior sagittal sinus.

Terminology English: Foramen cecum

Latin: Foramen caecum
Definition Midline aperture between the crista galli and frontal bone
Function Transmits emissary veins to nasal cavity

Learn more about the foramen cecum in the following study unit:

Cranial fossae Explore study unit

Sources

All content published on Kenhub is reviewed by medical and anatomy experts. The information we provide is grounded on academic literature and peer-reviewed research. Kenhub does not provide medical advice. You can learn more about our content creation and review standards by reading our content quality guidelines.
  • Drake, R., Vogl, W., Mitchell, A. & Gray, H. (2015). Gray's anatomy for students. Philadelphia, PA: Churchill Livingstone/Elsevier.
  • McKinley, M. & Loughlin, V. (2012). Human anatomy. New York: McGraw-Hill.
    Mescher, A. L., & Junqueira, L. C. (2013).
  • Moore, K. L., Dalley, A. F., & Agur, A. M. R. (2014). Clinically Oriented Anatomy (7th ed.). Philadelphia, PA: Lippincott Williams & Wilkins.
  • Standring, S. (2016). Gray's Anatomy (41st ed.). Edinburgh: Elsevier Churchill Livingstone

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