- a rigid or flexible endoscope for visual examination of the rectum and sigmoid colon.
Origin of sigmoidoscope
Also called proctosigmoidoscope.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- an instrument incorporating a light for the direct observation of the colon, rectum, and sigmoid flexure
- A tubular instrument for visual examination of the sigmoid flexure.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.