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Chapter 13

colon procedures and male reproduction

Biopsy The surgical removal and examination of tissue from the living body. Biopsies generally are performed to determine whether a tumor is benign or malignant.
Colonoscopy The visualization of the entire colon using a colonoscope.
Endoscope An instrument that consists of a tube and an optical system that is used for direct visual inspection of organs or cavities.
Insufflate To blow a powder,vapor,or gas(e.g.,air) into a body cavity.
Melena The darkening of the stool caused by the presence of blood in an amount of 50 ml or greater.
occult blood Blood in such a small amount that it is not detectable by the unaided eye.
Peroxidase (as it pertains to the guaiac slide test) A substance that is able to transfer oxygen from hydrogen peroxide to oxidize guaiac, causing the guaiac to turn blue.
Sigmoidoscope A endoscope that it specially designed for passage through the anus to permit visualization of the rectum and sigmoid colon.
Sigmoidoscopy The visual examination of the rectum and sigmoid colon using a sigmoidoscope.
Created by: heatherevans