Definition of aqueduct of Sylvius in English:

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aqueduct of Sylvius

Pronunciation: /ˈsɪlvɪəs/

Entry from British & World English dictionary


A fluid-filled canal which runs through the midbrain connecting the third and fourth ventricles. Also called cerebral aqueduct.
Example sentences
  • Coronal sectioning of the brain revealed mild enlargement of the lateral and third ventricles and the aqueduct of Sylvius.
  • From this midline cavity, CSF continues through the aqueduct of Sylvius into the fourth ventricle, situated within the posterior fossa.
  • In the midbrain, the aqueduct of Sylvius was slitlike.
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