[pahy-lawr-uh s, -lohr-, pi-]
- the opening between the stomach and the duodenum.
Origin of pylorus
1605–15; < Late Latin < Greek pylōrós literally, gatekeeper
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the small circular opening at the base of the stomach through which partially digested food (chyme) passes to the duodenum
C17: via Late Latin from Greek pulōrus gatekeeper, from pulē gate + ouros guardian
Word Origin and History for post-pyloric
Online Etymology Dictionary, © 2010 Douglas Harper
- The passage at the lower end of the stomach that opens into the duodenum.
- A muscular or myovascular structure that opens or closes an orifice or lumen of an organ.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The passage at the lower end of the stomach that opens into the small intestine.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.