Term
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Definition
| The surgical removal and examination of tissue from the living body. Biopsies are usually performed to determine whether a tumor is benign or malignant. |
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Term
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Definition
| The visualization of the rectum and the entire colon using a colonoscope. |
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Term
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Definition
| An endoscope that is specially designed for passage through the anus to permit visualization of the entire length of the colon. |
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Term
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Definition
| An instrument that consists of a tube and an optical system that is used for direct visual inspection of organs or cavities. |
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Term
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Definition
| To blow a powder, vapor or gas into a body cavity. |
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Term
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Definition
| The darkening of the stool caused by the presence of blood in the amount of 50 ml or greater. |
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Term
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Definition
| Blood in such a small amount that it is not detectable by the unaided eye. |
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Term
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Definition
| A susstance that is able to transfer oxygen from hydrogen peroxide to oxidize guaiac, causing the guaiac to turn blue. |
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Term
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Definition
| An endoscope that is specially designed for passage through the anus to permit visualization of the rectum and sigmoid colon. |
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Term
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Definition
| The visual examination of the rectum and sigmoid colon using a sigmoidoscope. |
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