gastric bypass 2023-02-27T18:10:08Z Roux-en-Y gastric bypass Roux-en-Y gastric bypass surgery This is any condition in which the main influencing factor is a gastric bypass, a type of weight-loss surgery that involves creating a small pouch from the stomach and connecting the newly created pouch directly to the small intestine. After gastric bypass, swallowed food will go into this small pouch of stomach and then directly into the small intestine, thereby bypassing most of the stomach and the first section of the small intestine. XCO:0000967 experimental_condition_ontology gastric bypass surgery slaulede gastrointestinal bypass