Modality: Diagram

Used in the following article:

  • 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...”
  • 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 cecum - “ The foramen cecum represents a primitive tract between the anterior cranial fossa and the nasal space. It is located along the anterior cranial fo...”
  • 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...”

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

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