The Sylvian Aqueduct is a part of the brain's ventricular system that connects the third and fourth ventricles. It is important for maintaining proper cerebrospinal fluid flow and is critical for the brain's overall function. Some synonyms for the Sylvian Aqueduct include the Aqueduct of Sylvius, cerebral aqueduct, and mesencephalic aqueduct. These terms are often used interchangeably in medical literature and research. Understanding the various synonyms for the Sylvian Aqueduct can help healthcare professionals communicate more effectively and ensure that patients receive proper diagnoses and treatment. Whether referred to as the Aqueduct of Sylvius or cerebral aqueduct, this small structure is an integral part of the brain's anatomy.