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Naomi Schutte-Smith

Naomi Schutte-Smith Chapter 12

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 rectum and the entire colon using a colonoscope.
Colonscope An endoscope that is specially designed for passage through the anus to permit visualization of the rectum and the entire length colon.
Endoscope An instrument that consists of a tube and an optical system that is used for direct visual inspection of organs or cavities.
Insufflate Blow (air, gas, or powder) into a cavity of the body.
Melena Dark sticky feces containing partly digested blood.
Occult blood Refers to blood in the feces that is not visibly apparent (unlike other types of blood in stool such as melena or hematochezia). A fecal occult blood test (FOBT) checks for hidden (occult) blood in the stool (feces).
Peroxidase An enzyme that catalyzes the oxidation of a particular substrate by hydrogen peroxide.
Sigmoidoscope A test that uses a flexible, narrow tube with a light and tiny camera on one end, called a sigmoidoscope or scope, to look inside the rectum and the lower, or sigmoid, colon.
Sigmoidoscopy Examination of the sigmoid colon by means of a flexible tube inserted through the anus.