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Related Terms:
fundoplication
proctocele
sphincterotomy
esophagopathy
sphincterate
ringpiece
rectosphincteric
sphincteral
abdominal pore
muscle
hippus
sphincteroplasty
relax
brunner's gland
lissosphincter
sphincters
transphincteric
ringlike
intersphincteric
iridoplegia
lower esophageal sphincter
heller myotomy
cardia
anal sphincter
band
upper esophageal sphincter
rhabdosphincter
sphinx
ileocecal valve
chalasia
constrict
physiological
Definitions:
Noun
sphincter
anatomical sphincter
sphincter muscle
Definition: a ring of muscle that contracts to close an opening
Definition: A ringlike band of muscle that surrounds a bodily opening (such as the anus or the openings of the stomach), constricting and relaxing as required for normal physiological functioning.