Definify.com
Webster 1913 Edition
Sphincter
Sphinc′ter
,Noun.
[NL., fr. [GREEK][GREEK][GREEK] to bind tight.]
(Anat.)
A muscle which surrounds, and by its contraction tends to close, a natural opening;
as, the
. sphincter
of the bladderSphinc′ter
,Adj.
(Anat.)
Of, pertaining to, or designating, a sphincter;
as, a
. sphincter
muscleWebster 1828 Edition
Sphincter
SPHINC'TER
,Noun.
Definition 2024
sphincter
sphincter
English
Noun
sphincter (plural sphincters)
- (anatomy) A ringlike band of muscle that surrounds a bodily opening, constricting and relaxing as required for normal physiological functioning.
- the sphincter of the bladder
- the iris sphincter in the eye
- 1982, Lawrence Durrell, Constance (Faber & Faber, 2004: Avignon Quintet), page 836:
- She decided that she would force him to climax first by the sheer strength of her young animal control, the strength of her sphincters […]
- (in particular) The internal or external anal sphincter, to the extent these are distinguished as two separate entities.
Synonyms
- anatomical sphincter
Derived terms
Terms derived from the noun "sphincter"
Related terms
Translations
band of muscle
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