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.

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
References in periodicals archive ?
GERD occurs when the lower esophageal sphincter (LES), the valve that connects the esophagus to the stomach, inappropriately relaxes and allows the digestive acids to reflux, or travel back up the esophagus.
The diagnosis of longitudinal disruption of urethral sphincter was made followed by primary reconstruction with an approximation technique M.
When the swallow, vomit or belching mechanism is initiated, the peristaltic pressure overcomes the magnetic attraction and the sphincter opens to allow passage of food and gas.
The LINK device is based on magnetic sphincter augmentation technology and the procedure is currently available in the US and European medical centers.
Objective: Obstetric anal sphincter injuries are one of the most significant complications of vaginal delivery that give way to fecal incontinence, which is defined as the involuntary leakage of gas, fluid or solid stool.
A team of researchers at the University of Missouri has identified a defect of the lower esophageal sphincter (LES) as a potential treatable cause of megaesophagus.
A severe perineal laceration that extends into or through the anal sphincter complex is referred to as an obstetric anal sphincter injury (OASIS) and requires meticulous repair.
Sphincter repair results depend on bowl regularity, quality of residual muscle and presence of IBS besides the extent of original injury.
Known or suspected biliary duct obstruction, or sphincter of Oddi disease or dysfunction; a history of pancreatitis; structural diseases of the pancreas.
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.
Background: Obstetric anal sphincter injuries (OASIS) can cause an adverse impact on women's physical and mental health.
This involves several maneuvers, including dissection and reconstruction of the anal sphincter complex and anatomic reapproximation of perineal tissues.