the pylorus

См. также в других словарях:

• 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 — 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 — Py*lo rus, n.; pl. {Pylori}. [L., fr. Gr. ? pylorus, gate keeper; ? a gate + ? watcher, guardian.] (Anat.) (a) The opening from the stomach into the intestine. (b) A posterior division of the stomach in some invertebrates. [1913 Webster] …   The Collaborative International Dictionary of English

• pylorus — 1610s, from L.L. pylorus “the lower orifice of the stomach,” from Gk. pyloros “gatekeeper, porter,” from pyle “gate” (see PYLON (Cf. pylon)) + ouros “watcher, guardian” (see WARRANT (Cf. warrant)) …   Etymology dictionary

• pylorus — [pī lôr′əs] n. pl. pylori [pī lôr′ī, pə lôr′ī] [LL < Gr pylōros, gatekeeper < pylē, gate + ouros, watchman] the opening, surrounded by muscular tissue, from the stomach into the duodenum, the first part of the small intestine pyloric… …   English World dictionary

• pylorus — the passage from the stomach to the intestine …   Dictionary of ichthyology

• 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

• pylorus — n. [Gr. pyloros, gatekeeper] 1. (ARTHROPODA: Insecta) A short distinct section of the proctodeum intervening between the ventriculus and true intestinal tube, containing the pyloric valve. 2. (BRYOZOA) Ciliated part of the digestive tract into… …   Dictionary of invertebrate zoology

• pylorus — noun a) The opening in a vertebrate, including humans, at the lower end of the stomach that opens into the duodenum. b) A muscular or myovascular structure that controls the opening of an orifice or lumen of an organ …   Wiktionary

• pylorus — py•lo•rus [[t]paɪˈlɔr əs, ˈloʊr , pɪ [/t]] n. pl. lo•ri [[t] ˈlɔr aɪ, ˈloʊr aɪ[/t]] anat. zool. the opening between the stomach and the start of the intestine in most vertebrates • Etymology: 1605–15; < LL < Gk pylōrós lit., gatekeeper… …   From formal English to slang