sphincter

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Related to hepatic sphincter: pyloric sphincter, vesical sphincter

sphinc·ter

 (sfĭngk′tər)
n.
A ringlike muscle that normally maintains constriction of a body passage or orifice and that relaxes as required by normal physiological functioning.

[Late Latin sphinctēr, from Greek sphinktēr, from sphingein, to bind tight.]

sphinc′ter·al adj.

sphincter

(ˈsfɪŋktə)
n
(Anatomy) anatomy a ring of muscle surrounding the opening of a hollow organ or body and contracting to close it
[C16: from Late Latin, from Greek sphinkter, from sphingein to grip tightly]
ˈsphincteral adj

sphinc•ter

(ˈsfɪŋk tər)

n.
a circular band of voluntary or involuntary muscle that encircles and closes an orifice of the body or one of its hollow organs.
[1570–80; < Late Latin < Greek sphinktḗr=sphing-, base of sphíngein to hold tight + -tēr agent suffix]
sphinc′ter•al, adj.

sphinc·ter

(sfĭngk′tər)
A ring-shaped muscle that encircles an opening or passage in the body. Contraction and relaxation of a sphincter closes and opens the passage.

sphincter

A ring-shaped muscle that contracts to close an orifice.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sphincter - a ring of muscle that contracts to close an opening
muscle, musculus - one of the contractile organs of the body
physiological sphincter - a sphincter that is not recognizable at autopsy because its resting arrangement cannot be distinguished from adjacent tissue
anal sphincter, musculus sphincter ani, sphincter ani - the sphincter muscle of the anus
musculus sphincter urethrae, urethral sphincter - a striated sphincter muscle that constricts the urethra
bladder sphincter, musculus sphincter vesicae - the sphincter muscle of the urinary bladder; made up of a thickened muscular layer of bladder around the urethral opening
musculus sphincter ductus choledochi - the smooth muscle sphincter of the common bile duct
musculus sphincter ductus pancreatici - the smooth muscle sphincter of the main pancreatic duct
musculus sphincter pupillae, pupillary sphincter - a ring of smooth muscle surrounding the iris
musculus sphincter pylori, pyloric sphincter, pyloric valve - the sphincter muscle of the pylorus that separates the stomach from the duodenum
Translations
svěrač
sulkijalihas

sphincter

[ˈsfɪŋktəʳ] Nesfínter m

sphincter

[ˈsfɪŋktər] nsphincter m

sphincter

n (Anat) → Schließmuskel m, → Sphinkter m (spec)

sphinc·ter

n. esfínter, músculo circular que abre y cierra un orificio.

sphincter

n esfínter m