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opening of aqueduct of midbrain


Definition: entrance to the cerebral aqueduct; point at which the caudal part of the third ventricle is continuous with the cerebral aqueduct of the midbrain; located on the midline immediately anterior (ventral) to the posterior commissure.

Synonym(s): apertura aqueductus mesencephaliTA, apertura aqueductus cerebri, opening of cerebral aqueduct, aditus ad aqueductum cerebri

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.