peristole

[pə-rĭstə-lē]

n.

The tonic contractions of the walls of the stomach about its contents.

Related formsper′i•stolic (pĕr′ĭ-stŏlĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.