A fluid-filled canal which runs through the midbrain connecting the third and fourth ventricles.
〔剖〕西耳维厄斯水管，中脑水管。亦称CEREBRAL AQUEDUCT
Also called cerebral aqueduct
Example sentencesExamples
From this midline cavity, CSF continues through the aqueduct of Sylvius into the fourth ventricle, situated within the posterior fossa.
Coronal sectioning of the brain revealed mild enlargement of the lateral and third ventricles and the aqueduct of Sylvius.
Consequently, hydrocephalus develops due to blockage of CSF outflow at the level of the aqueduct of Sylvius or the basal cisterns.
In the midbrain, the aqueduct of Sylvius was slitlike.
Subsequent magnetic resonance imaging revealed a mass measuring 5 x 4 x 4.1 cm in the region of the pineal gland and obstructing the aqueduct of Sylvius with resultant hydrocephalus.