Gastrointestinal tract biopsy is a medical procedure that involves taking a small tissue sample from the lining of the gastrointestinal tract for further examination under a microscope.
The rapid test for the presence of Helicobacter pylori (urease test) is a quick and effective method for diagnosing infections caused by this bacterium.
Biopsy of the colonic mucosa involves taking small samples of tissue from the lining of the colon for examination for inflammation, infection, or other pathological changes.