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Cerebral aqueduct
Conduit for CSF to the brain / From Wikipedia, the free encyclopedia
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The cerebral aqueduct (aqueduct of the midbrain, aqueduct of Sylvius,[1]: 476 sylvian aqueduct, mesencephalic duct[citation needed]) is a narrow[2][1]: 469 conduit for cerebrospinal fluid (CSF) connecting the third ventricle and fourth ventricle of the ventricular system of the brain. The cerebral aqueduct is a midline structure. It extends rostrocaudally through the entirety of the more dorsal/posterior part of the mesencephalon (midbrain). It is surrounded by a layer of gray matter called the periaqueductal gray (central gray).[3]
Cerebral aqueduct | |
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![]() Section through superior colliculus showing path of oculomotor nerve. | |
![]() Drawing of a cast of the ventricular cavities, viewed from the side. | |
Details | |
Part of | Ventricular system |
Identifiers | |
Latin | aqueductus mesencephali (cerebri) aqueductus Sylvii |
MeSH | D002535 |
NeuroNames | 509 |
NeuroLex ID | birnlex_1261 |
TA98 | A14.1.06.501 |
TA2 | 5910 |
FMA | 78467 |
Anatomical terms of neuroanatomy |
Congenital stenosis of the cerebral aqueduct is a cause of congenital hydrocephalus.[3]
It is named for Franciscus Sylvius.