Medical Definition of Aqueduct of Sylvius
Aqueduct of Sylvius: 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.
Quick GuideDementia, Alzheimer's Disease, and Aging Brains
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