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GIST Support International - Glossary of Terms
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gastrectomyA surgical procedure to remove all or part of the stomach. See partial gastrectomy under billroth and total gastrectomy under Roux-en-Y.
gastricReferring to the stomach.
gastrointestinal tractThe series of digestive organs which starts with the mouth and includes the esophagus, stomach, duodenum, small intestine, large intestine, rectum and anus.
germline mutationA heritable change in the DNA that occurred in an egg or sperm (or the cells which give rise to eggs or sperm, called germ cells) or the zygote (fused egg-sperm) at the single-cell stage. When transmitted to a child, a germline mutation is incorporated in every cell of their body.
guaiac-positive stoolFeces that have blood in them, as determined by a diagnostic test using a chemical reagent, the resin from the wood of a guajacum plant. Stool sample will turn blue when the resin is mixed with a stool specimen on test paper. Kits for measuring occult blood in the stools are now available at most drug stores.

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