Definition of Sylvius, aqueduct of
Sylvius, aqueduct of: A canal between the third and fourth ventricles in the brain within the system of four communicating cavities that are continuous with the central canal of the spinal cord. The ventricles are filled with cerebrospinal fluid, which is carried by the aqueduct of Sylvius.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 7/1/2016
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