mesencephalic aqueduct

mesencephalic aqueduct

The conduit in the brain which connects the 3rd and 4th ventricles.
References in periodicals archive ?
The rostral opening of the mesencephalic aqueduct was slightly dilated, but no enlargement of the lateral extensions of the aqueduct or the fourth ventricle was observed (Fig 1).
Microscopic examination showed bilateral dilatation of the lateral ventricles and mesencephalic aqueduct associated with marked periventricular white mater microspongiosis.