释义 |
external opening of carotid canal external opening of carotid canala roughly circular opening on the inferior surface of the petrous portion of the temporal bone by which the internal carotid artery enters the carotid canal. Synonym(s): apertura externa canalis carotici [TA]ex·ter·nal open·ing of ca·rot·id ca·nal (eks-tĕrnăl ōpĕn-ing kă-rotid kă-nal) Roughly circular opening on the inferior surface of the petrous portion of the temporal bone by which the internal carotid artery enters the carotid canal. |