| pyloric sphincter | A thickening of the circular layer of the gastric musculature encircling the gastroduodenal junction. Synonym: musculus sphincter pylori, sphincter muscle of pylorus. (05 Mar 2000) |
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| pyloric stenosis | <gastroenterology, paediatrics> A congenital disorder in which the pylorus is thickened causing obstruction of the gastric outlet (to the duodenum). More common in males. Symptoms of projectile vomiting begin several weeks after birth. Incidence: approximately 1 in 4,000 live births. (27 Sep 1997) |
| pyloric valve | <anatomy> The valve which opens to allow gastric contents to enter the duodenum. (27 Sep 1997) |
| pyloric vein | <anatomy, vein> It receives veins from both surfaces of the upper portion of the stomach, runs to the right along the lesser curvature of the stomach, and empties into the portal vein. Synonym: vena gastrica dextra, pyloric vein. (05 Mar 2000) |
| pyloristenosis | Stricture or narrowing of the orifice of the pylorus. Synonym: pylorostenosis. Origin: pylor-+ G. Stenosis, a narrowing (05 Mar 2000) |
| pyloritis | Inflammation of the pyloric end of the stomach. Origin: pylor-+ G. -itis, inflammation (05 Mar 2000) |
| pyloro- | The pylorus. Origin: G. Pyloros, gatekeeper (05 Mar 2000) |
| pylorodiosis | An obsolete term for operative dilation of the pylorus. Origin: pyloro-+ G. Diosis, pushing apart (05 Mar 2000) |
| pyloroduodenitis | Inflammation involving the pyloric outlet of the stomach and the duodenum. Origin: pyloro-+ duodenitis (05 Mar 2000) |
| pylorogastrectomy | Excision of the pylorus. Synonym: gastropylorectomy, pylorogastrectomy. Origin: pylor-+ G. Ektome, excision (05 Mar 2000) |
| pyloromyotomy | Longitudinal incision through the anterior wall of the pyloric canal to the level of the submucosa, to treat hypertrophic pyloric stenosis. Synonym: Fredet-Ramstedt operation, Ramstedt operation. Origin: pyloro-+ G. Mys, muscle, + tome, incision (05 Mar 2000) |
| pyloroplasty | Widening of the pyloric canal and any adjacent duodenal stricture by means of a longitudinal incision closed transversely. Origin: pyloro-+ G. Plastos, formed (05 Mar 2000) |
| pyloroptosia | Downward displacement of the pyloric end of the stomach. Origin: pyloro-+ G. Ptosis, a falling (05 Mar 2000) |
| pylorospasm | Spasmodic contraction of the pylorus. (05 Mar 2000) |
| pylorostenosis | Stricture or narrowing of the orifice of the pylorus. Synonym: pylorostenosis. Origin: pylor-+ G. Stenosis, a narrowing (05 Mar 2000) |