Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

Third Ventricle MeSH Descriptor Data 2026


MeSH Heading
Third Ventricle
Tree Number(s)
A08.186.211.140.840
Unique ID
D020542
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D020542
Scope Note
A narrow cleft inferior to the CORPUS CALLOSUM, within the DIENCEPHALON, between the paired thalami. Its floor is formed by the HYPOTHALAMUS, its anterior wall by the lamina terminalis, and its roof by EPENDYMA. It communicates with the FOURTH VENTRICLE by the CEREBRAL AQUEDUCT, and with the LATERAL VENTRICLES by the interventricular foramina.
Entry Term(s)
3rd Ventricle
Previous Indexing
Cerebral Ventricles (1965-1999)
See Also
Cerebral Ventriculography
Public MeSH Note
2000
History Note
2000
Date Introduced
2000/01/01
Last Updated
2018/06/30
Third Ventricle Preferred
page delivered in 0.139s