a suture for a circular opening, stitched around the edge, that closes it when pulled.
Origin of purse-string suture
First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
A continuous circular suture that is pulled together to invert or close an opening.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.