bn:00003878n
Noun Concept
Categories: Muscular system
EN
sphincter  sphincter muscle  anatomical sphincter  circular muscle  Circular muscles
EN
A ring of muscle that contracts to close an opening WordNet 3.0
Definitions
Examples
Relations
Sources
EN
A ring of muscle that contracts to close an opening WordNet 3.0 & Open English WordNet
A sphincter is a circular muscle that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning. Wikipedia
A colloquial term for the anatomical structure, a circular muscle Wikipedia Disambiguation
A ring-shaped muscle that relaxes or tightens to open or close a passage or opening in the body. OmegaWiki
A ringlike band of muscle that surrounds a bodily opening, constricting and relaxing as required for normal physiological functioning. Wiktionary
Band of muscle. Wiktionary (translation)
EN
The sphincter of the bladder. Wiktionary
The iris sphincter in the eye. Wiktionary
WordNet 3.0 & Open English WordNet
Wikipedia
Wikidata
Wiktionary
OmegaWiki
Wikidata Alias