Aqueductus Cerebri, also known as cerebral aqueduct or aqueduct of Sylvius, refers to the pathway through which cerebrospinal fluid (CSF) flows within the brain. Synonyms for this term may include cerebral aqueduct, mesencephalic aqueduct, aqueductus mesencephali, aqueduct of midbrain, aqueduct of Silvius, and sylvian aqueduct. These terms are widely used in the medical field to describe this narrow canal that connects the third and fourth ventricle of the brain. Understanding the various synonyms for Aqueductus Cerebri is crucial for medical professionals as they navigate through diagnostic and treatment procedures related to brain abnormalities or illnesses.