Definitions for "Gastric Bypass"
An operation in which the stomach is made smaller and then the intestine is rerouted so that it is attached to the new smaller stomach.
a surgical procedure that creates a
Also called the "Roux-en-Y Gastric Bypass." This operation is considered by many to represent the "gold standard" weight loss operation. It involves the creation of a small stomach pouch which is connected to a Y-shaped limb of small intestine. It causes weight loss through a combination of restriction, malabsorption, and dumping syndrome.