Word | Definitions | Synonyms |
---|---|---|
sigma | (noun) the 18th letter of the Greek alphabet | - |
sigmoidectomy | (noun) surgical removal of part or all of the sigmoid colon (usually to remove a malignant tumor) | - |
sigmoidoscope | (noun) an endoscope (a flexible fiberoptic probe) for examining the sigmoid colon | Synonyms: flexible sigmoidoscope |
sigmoidoscopy | (noun) visual examination (with a sigmoidoscope) of the lower third of the colon in a search for polyps | Synonyms: flexible sigmoidoscopy |