bladder sphincter

noun
the sphincter muscle of the urinary bladder; made up of a thickened muscular layer of bladder around the urethral opening
Part Holonyms: ↑urinary bladder

Useful english dictionary. 2012.

Look at other dictionaries:

  • Bladder sphincter dyssynergia — Classification and external resources Urodynamic trace of detrusor sphincter dyssynergia. ICD 9 596.55 …   Wikipedia

  • sphincter muscle — noun a ring of muscle that contracts to close an opening • Syn: ↑sphincter, ↑anatomical sphincter • Hypernyms: ↑muscle, ↑musculus • Hyponyms: ↑physiological sphincter, ↑ …   Useful english dictionary

  • Sphincter — Sphinc ter, n. [NL., fr. ??? to bind tight.] (Anat.) A muscle which surrounds, and by its contraction tends to close, a natural opening; as, the sphincter of the bladder. [1913 Webster] …   The Collaborative International Dictionary of English

  • sphincter muscle of urethra internal — sphincter muscle of urinary bladder musculus sphincter urethrae internus …   Medical dictionary

  • sphincter — A muscle that encircles a duct, tube, or orifice in such a way that its contraction constricts the lumen or orifice. SYN: musculus s. [TA], s. muscle [TA]. [G. sphinkter, a band or lace] s. of ampulla s. of hepatopancreatic ampulla. anatomic s.… …   Medical dictionary

  • Bladder — The organ that stores urine. The bladder is a hollow organ in the lower abdomen. The kidneys filter waste from the blood and produce urine, which enters the bladder through two tubes called ureters. Urine leaves the bladder through another tube,… …   Medical dictionary

  • Sphincter — A sphincter is an anatomical structure, or a circular muscle, that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning. Sphincters are found in many animals; there …   Wikipedia

  • Sphincter ani externus muscle — Muscle infobox Name = Sphincter ani externus muscle Latin = musculus sphincter ani externus GraySubject = 120 GrayPage = 425 Caption = Caption2 = Coronal section through the anal canal. B. Cavity of urinary bladder V.D. Ductus deferens. S.V.… …   Wikipedia

  • Sphincter ani internus muscle — Muscle infobox Name = Sphincter ani internus muscle Latin = musculus sphincter ani internus GraySubject = 120 GrayPage = 426 Caption = Coronal section through the anal canal. B. Cavity of urinary bladder V.D. Ductus deferens. S.V. Seminal vesicle …   Wikipedia

  • bladder — n. 1) (urinary bladder) a sac shaped organ that has a wall of smooth muscle and stores the urine produced by the kidneys. Urine passes into the bladder through the ureters; the release of urine from the bladder is controlled by a sphincter at its …   The new mediacal dictionary

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