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Mesencephalic Aqueduct
Nervous System

Mesencephalic Aqueduct

Aqueductus mesencephali

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Quick Facts

The aqueduct of midbrain (aka aqueduct of mesencephalon, cerebral aqueduct, or aqueduct of Sylvius) is a short passage extending from the third ventricle to the fourth ventricle, allowing for the drainage of cerebrospinal fluid from the third ventricle to the fourth ventricle.

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Cerebral Aqueduct

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The cerebral aqueduct is a CSF-filled space that connects the 3rd ventricle of the diencephalon to the 4th ventricle of the brainstem.

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