Definition: a passage through the petrous part of the temporal bone from its inferior surface upward, medially, and anteriorly to the apex where it opens posterior and superior to the site of the foramen lacerum. It transmits the internal carotid artery and accompanying plexuses of veins and autonomic nerves.
Synonym(s): canalis caroticusTA
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Examples: glitazone, GI cocktail, etc.