Modality: Diagram

Used in the following articles:

  • Cranial foramina - “ The cranial foramina are the holes that exist in the base of skull to allow the passage of structures into and out of the cranium: anterior ethmo...”
  • Posterior ethmoidal foramen - “ The posterior ethmoidal foramen is a small opening in the ethmoid bone. It transmits the posterior ethmoidal artery, vein and nerve which supplies...”
  • Optic canal - “ The optic canal is a cylindrical canal running obliquely through the lesser wing of sphenoid bone near the base where it joins the body of sphenoi...”
  • Foramen caecum - “ The foramen caecum is located in the anterior cranial fossa, anterior to the cribriform plate of the ethmoid bone and posterior to the frontal bon...”

View full size version of Upper surface of the base of the skull

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