sphincter muscle of pylorus
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sphincter muscle — ▪ anatomy any of the ringlike muscles surrounding and able to contract or close a bodily passage or opening. One of the most important human sphincter muscles is the sphincter pylori, a thickening of the middle layer of stomach muscle around the … Universalium
Muscle — is the tissue of the body which primarily functions as a source of power. There are three types of muscle in the body. Muscle which is responsible for moving extremities and external areas of the body is called "skeletal muscle." Heart… … 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
musculus sphincter pyloricus — [TA] pyloric sphincter muscle: a thickening of the circular muscle of the stomach around its opening into the duodenum; called also pyloric sphincter and sphincter muscle of pylorus … Medical dictionary
pylorus — pyloric /puy lawr ik, lor , pi /, adj. /puy lawr euhs, lohr , pi /, n., pl. pylori / lawr uy, lohr uy/. Anat. the opening between the stomach and the duodenum. See diag. under intestine. [1605 15; < LL < Gk pylorós lit., gatekeeper] * * * ▪… … Universalium
Pylorus — Infobox Anatomy Name = PAGENAME Latin = valvula pylori GraySubject = 247 GrayPage = 1164 Caption = Outline of stomach, showing its anatomical landmarks. Caption2 = Interior of the stomach. (Pylorus labeled at center left.) System = MeshName =… … Wikipedia
pylorus — 1. A muscular or myovascular device to open (musculus dilator) and to close (musculus sphincter) an orifice or the lumen of an organ. 2. The muscular tissue surrounding and con … Medical dictionary
pylorus — n. the lower end of the stomach, which leads to the duodenum. It terminates at a ring of muscle – the pyloric sphincter – which contracts to close the opening by which the stomach communicates with the duodenum. Derivatives: pyloric adj … The new mediacal dictionary
musculus sphincter pylori — noun the sphincter muscle of the pylorus that separates the stomach from the duodenum • Syn: ↑pyloric sphincter, ↑pyloric valve • Hypernyms: ↑sphincter, ↑anatomical sphincter, ↑sphincter muscle • Part Holonyms: ↑ … Useful english dictionary
pyloric sphincter — noun the sphincter muscle of the pylorus that separates the stomach from the duodenum • Syn: ↑pyloric valve, ↑musculus sphincter pylori • Hypernyms: ↑sphincter, ↑anatomical sphincter, ↑sphincter muscle • Part Holonyms: ↑ … Useful english dictionary
