GIST Support International - Glossary of Terms
| Definition |
| gastrectomy | A surgical procedure to remove all or part of the stomach. See partial gastrectomy under billroth and total gastrectomy under Roux-en-Y. |
| gastric | Referring to the stomach. |
| gastrointestinal tract | The series of digestive organs which starts with the mouth and includes the esophagus, stomach, duodenum, small intestine, large intestine, rectum and anus. |
| germline mutation | A 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 stool | Feces 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. |
