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 ?
There is no branching within the sphincteric complex or extension into the ischioanal space.
On the other hand, fistulectomy involves closure of internal opening with or without repair of sphincteric defect.
The PVS can be used to treat both uncomplicated and complicated SUI, including incontinence associated with urethral hypermobility and/or intrinsic sphincteric deficiency (ISD), and mixed incontinence.
Prophylactic antibiotics were given then a rectal examination was performed to confirm the position of the sphincters, the intersphincteric groove and any local sphincteric defect.
Normal lower urinary tract function, including intact bladder function, normal sphincteric function, and normal pelvic floor function, with normal innervation from the peripheral and central nervous system.
Nicholls discussed fistulae plug, re-routing, LIFT- ligation of inter sphincteric fistulae track.
Bladder/urethral function is about volume management, yet the sphincteric mechanism is not tolerant of very high volumes, even in "normal" patients.
This is owing to poor peristalsis, sphincteric action, and narrow diameter of cricopharynx.
Management of bleeding not only prolongs operative time and may injure the NVB and sphincteric fibers using coagulation.
13 In cases where reconstructive surgery is planned a cystoscopy should definitely be performed to assess functional urethra and sphincteric mechanism.
Myers, "Male urethral sphincteric anatomy and radical prostatectomy," Urologic Clinics of North America, vol.