
The cerebral aqueduct, also known as the aqueductus mesencephali, mesencephalic duct, or the aqueduct of Sylvius is within the mesencephalon (or midbrain), contains cerebrospinal fluid (CSF), and connects the third ventricle in the diencephalon to the fourth ventricle within the region of the mesencephalon and metencephalon, located dorsal to the ...
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http://en.wikipedia.org/wiki/Cerebral_aqueduct

An ependymal-lined canal in the mesencephalon about 20 mm long, connecting the third to the fourth ventricle. ... Synonym: aqueductus cerebri, aqueduct of cerebrum, aqueductus sylvii, iter a tertio ad quartum ventriculum, sylvian aqueduct. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973

Type: Term Definitions: 1. an ependyma-lined canal in the mesencephalon about 20 mm long, connecting the third to the fourth ventricle. Synonyms: aqueductus mesencephali, aqueductus cerebri, aqueduct of cerebrum, aqueductus sylvii, iter a tertio ad quartum ventriculum, sylvian aqueduct
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http://www.medilexicon.com/medicaldictionary.php?t=5834

The cerebral aqueduct is a small canal near the midbrain which allows passage of the cerbrospinal fluid from the third ventricle to the fourth ventricle. It is also called the aqueduct of Sylvius, after its discoverer.
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http://www.probertencyclopaedia.com/browse/EC.HTM

[
n] - a canal connecting the third and fourth ventricles
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http://www.webdictionary.co.uk/definition.php?query=cerebral%20aqueduct
Sylvian aqueduct noun a canal connecting the third and fourth ventricles
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https://www.encyclo.co.uk/local/20974
No exact match found.