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The foramen lacerum (Latin for lacerated piercing) is a triangular hole in the base of the skull located at the base of the medial pterygoid plate.
Additional recommended knowledge
Transit through the foramen lacerum
Several anatomy texts incorrectly state that the internal carotid artery passes through the foramen lacerum. However, in vivo the foramen is actually occluded by cartilage, preventing the artery from passing through. Rather, the internal carotid artery enters the base of the skull through the carotid canal, and travels superiorly to the cartilage occluding the foramen lacerum.
However, some nerves, arteries, and veins do pass through the cartilage plug of the foramen lacerum: the artery of pterygoid canal, the nerve of pterygoid canal, and some venous drainage.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Foramen_lacerum". A list of authors is available in Wikipedia.|