sphinc·ter

(sfĭngk′tər)

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)

(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.

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.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

sphincter - a ring of muscle that contracts to close an opening

anatomical sphincter, sphincter muscle

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] N → esfínter 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

[ˈsfɪŋktə^r] n → sphincter 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

Mentioned in

References in periodicals archive

As such surgery should be avoided since anal sphincter repair is very difficult.

Some rectal prolapse do need abdominal Operation-Prof. Robin Phillips

(1-4) Treatment includes observation, pelvic floor training, urethral bulking agents, male urethral sling (MUS), and artificial urinary sphincter (AUS).

The impact of prior urethral sling on artificial urinary sphincter outcomes

Torax Medical said it will use the funds to commercially scale its platform of products, which are used to treat chronic diseases related to weak sphincter muscles.

Torax Medical Raises USD 25m in Venture Funding, Hires Chief Commercial Officer

Fecal incontinence, defined as the loss of anal sphincter control, leads to the unwanted release of stool or gas.

Efficacy of biofeedback therapy before and after sphincteroplasty for fecal incontinence because of obstetric injury: a randomized controlled trial

It is formed by lower esophageal sphincter (LES), crura of diaphragm, and the phrenoesophageal ligaments.

Lower esophageal sphincter pressures in gastroesophageal reflux disease: Where do they stand?

The following data were extracted: sphincter injury details, suture choice, repair technique, and details of surgeons performing the repair.

Severe perineal lacerations in obstetric practice: the effect of institutional practice guidelines on repair failures in a single centre

Fistula surgery is the primary cause of post-operative incontinence, typically resulting from inadvertent injury to either the internal or external sphincter muscle.

Fecal incontinence: help for patients who suffer silently: once you've identified patients with this embarrassing condition, achieving optimal outcomes hinges on your familiarity with advances like sacral nerve stimulation

Detrusor sphincter dysynergia (DSD) is a consequence of a neurological pathology such as spinal injury (Karsenty, 2005) or multiple sclerosis (Stankovich et al., 1999) that disrupts central nervous system regulation of the micturition reflex resulting in dyscoordination of the detrusor muscles of the bladder and the external urethral sphincter muscles.

Clinical management of detrusor sphincter dysynergia (DSD) in a dog

DAEGU, SOUTH KOREA, August 17, 2012--Scientists at Kyungpook National University here have developed a new technique using stem cells isolated from amniotic fluid to regenerate damaged urethral sphincter muscles and prevent pressure incontinence in mice.

Stem cell therapy shows promise in repairing stress urinary incontinence

DAEGU, SOUTH KOREA, August 17, 2012 -- Scientists at Kyungpook National University here have developed a new technique using stem cells isolated from amniotic fluid to regenerate damaged urethral sphincter muscles and prevent pressure incontinence in mice.

Stem cell therapy shows promise in repairing stress urinary incontinence

Recently Richard Craver, writing in the Winston--Salem Journal, reported that researchers at The Institute of Regenerative Medicine, Wake Forest University, produced the first functional anal sphincter in a laboratory setting.

On the nobility of incontinence

BALTIMORE - Anal sphincter laceration is significantly associated with anal incontinence 5-10 years after a woman's first delivery and has significant impact on quality of life, compared with women who had a vaginal delivery without laceration and women who had cesarean section.

AI tied to vaginal delivery with laceration