[ pahy-lawr-uh-plas-tee, -lohr-, pi- ]
/ paɪˈlɔr əˌplæs ti, -ˈloʊr-, pɪ- /


the surgical alteration of the pylorus, usually a widening to facilitate the passage of food from the stomach to the duodenum.

Nearby words

  1. pyloro-,
  2. pylorodiosis,
  3. pyloroduodenitis,
  4. pylorogastrectomy,
  5. pyloromyotomy,
  6. pylorospasm,
  7. pylorostomy,
  8. pylorotomy,
  9. pylorus,
  10. pylos

Origin of pyloroplasty Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for pyloroplasty


[ pī-lôrə-plăs′tē ]


The surgical widening of the pyloric canal to facilitate emptying of gastric contents into the duodenum; it is commonly performed in conjunction with truncal vagectomy to treat peptic ulcer.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.