Final answer:
Gastric bypass surgery, also known as Roux-en-Y gastric bypass, is the surgical fixation of the stomach. It involves closing off a large section of the stomach and attaching a small pouch directly to the jejunum, bypassing the stomach and the duodenum. This procedure helps in weight loss by limiting food intake and nutrient absorption.
Step-by-step explanation:
The surgical fixation of the stomach is commonly known as gastric bypass surgery or Roux-en-Y gastric bypass. It is a type of bariatric surgery that involves closing off a large section of the stomach and attaching the remaining small pouch directly to the jejunum, bypassing the stomach and the duodenum. This procedure limits both the intake of food and the absorption of nutrients, resulting in weight loss.