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Bonewit chapter 13
Chapter 13
Term | Definition |
---|---|
biopsy | A long thin instrument passed through the lumen of the insertion tube to remove a specimen. |
colonoscope | Basically a sigmoidoscope but with a longer insertion tube. |
colonoscopy | The visualization of the rectum and the entire colon using a colonscope. |
endoscope | Instruments that consists of a tube and an optical system that is used for direct visual inspection of organs or cavities. |
insufflate | A small amount of air blown. |
melena | The darkening of the stool caused by the presence of blood in an amount of 50 ml or greater. |
occult blood | Hidden or non visible blood. |
peroxidase | A substance that is able to transfer oxygen from hydrogen peroxide to oxidize guaiac, causing guaiac to turn blue. |
sigmoidoscope | Flexible Fiberoptic. |
sigmoidoscopy | Visual Examination of the mucosa of the rectum and the lower third of the colon using a flexible fiberoptic sigmoidoscope. |