sphincter

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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

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.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

sphincter

A ring-shaped muscle that contracts to close an orifice.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
svěrač
sulkijalihas

sphincter

[ˈsfɪŋktəʳ] Nesfínter m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

sphincter

[ˈsfɪŋktər] nsphincter m
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

sphincter

n (Anat) → Schließmuskel m, → Sphinkter m (spec)
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

sphinc·ter

n. esfínter, músculo circular que abre y cierra un orificio.
English-Spanish Medical Dictionary © Farlex 2012

sphincter

n esfínter m
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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