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Circumventricular Organs MeSH Descriptor Data 2026


MeSH Heading
Circumventricular Organs
Tree Number(s)
A06.688.178
A08.713.049
Unique ID
D066280
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D066280
Scope Note
Highly vascularized and specialized tissues distributed principally along the midline of the VENTRICULAR SYSTEM from the FOREBRAIN to the HINDBRAIN. They are distinguished by their lack of normal BLOOD-BRAIN BARRIER and fenestrated capillaries and contain either neurosecretory neurons or chemoreceptors.
Entry Term(s)
Neurohemal Organ
Secretory Circumventricular Organs
Sensory Circumventricular Organs
Previous Indexing
Neurosecretory Systems (1965-2014)
Public MeSH Note
2015; for NEUROHEMAL ORGAN see NEUROSECRETORY SYSTEMS (1984-2014)
History Note
2015; for NEUROHEMAL ORGAN use NEUROSECRETORY SYSTEMS (1984-2014)
Date Introduced
2015/01/01
Last Updated
2015/01/01
Circumventricular Organs Preferred
Secretory Circumventricular Organs Narrower
Sensory Circumventricular Organs Narrower
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