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openings of carotid canal


Definition: the orifice at each extremity of the carotid canal in the pyramidal petrous part of the temporal bone; the external opening of the carotid canal is on the inferior surface of the pyramid; the internal opening of the canal is at the apex of the petrous part.

Synonym(s): carotid foramen

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.