sigmoidoscope
/sɪɡˈmɔɪdəˌskoʊp/
noun
- A medical instrument used to examine the inside of the lower part of the colon (the sigmoid colon).
- The nurse prepared the sigmoidoscope before the screening procedure.
- The doctor used a sigmoidoscope to check for polyps in the patient's colon.
- A sigmoidoscope is a flexible tube with a light and camera at the end.