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Penile Erection MeSH Descriptor Data 2026


MeSH Heading
Penile Erection
Tree Number(s)
G08.686.784.717
Unique ID
D010410
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D010410
Scope Note
The state of the PENIS when the erectile tissue becomes filled or swollen (tumid) with BLOOD and causes the penis to become rigid and elevated. It is a complex process involving CENTRAL NERVOUS SYSTEM; PERIPHERAL NERVOUS SYSTEMS; HORMONES; SMOOTH MUSCLES; and vascular functions.
Entry Term(s)
Nocturnal Penile Tumescence
Penile Tumescence
Tumescence, Penile
NLM Classification #
WP 950
Previous Indexing
Penis (1966-1985)
Public MeSH Note
86
History Note
86
Date Introduced
1986/01/01
Last Updated
2016/06/17
Penile Erection Preferred
Penile Tumescence Narrower
Nocturnal Penile Tumescence Narrower
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