sig·moid·o·scope (s g-moi d -sk p )n. A tubular instrument for visual examination of the sigmoid flexure. sig moid·osco·py (sgmoi-d sk-p ) adj. |
sigmoidoscope
[sigmoi′dəskōp′]
Etymology: Gk, sigma + eidos + skopein, to look
an instrument used to examine the lumen of the sigmoid colon. It consists of a tube and a light, allowing direct visualization of the mucous membrane lining the colon. Compare proctoscope.
sigmoidoscope
Gastroenterology A narrow-bore, lighted device for examining the sigmoid colon mucosa, which can be rigid or flexible, and equipped to obtain biopsies from regions of interest. See Endoscopy.
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