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gastric bypass
noun
: a surgical bypass operation that typically involves reducing the size of the stomach and reconnecting the smaller stomach to bypass the first portion of the small intestine so as to restrict food intake and reduce caloric absorption in cases of severe obesity compare gastric banding
Examples of gastric bypass in a Sentence
Recent Examples on the Web
People with obesity or who have undergone gastric bypass surgery: Both need more vitamin D.
These factors can increase the risk of vitamin D deficiency.
—Lana Barhum, Verywell Health, 14 Jan. 2025
People with peptic ulcers and people who have had a gastric bypass or gallbladder removal surgery are more likely to develop bile reflux, often due to a structural issue or surgical complication.
—Cristina Mutchler, Health, 11 Jan. 2025
Although gastric bypass surgery jumpstarted his health journey, he’s maintained his weight loss and health goals through small, consistent habits like walking and fitting exercise into his normal daily activities.
—Rachel Murphy, Health, 8 Jan. 2025
And that really stuck with me, and that led me to do a gastric bypass.
—Alex Ross, People.com, 6 Jan. 2025
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Word History
First Known Use
1967, in the meaning defined above
Dictionary Entries Near gastric bypass
Cite this Entry
“Gastric bypass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gastric%20bypass. Accessed 27 Jan. 2025.
Medical Definition
gastric bypass
noun
: a surgical bypass operation performed to restrict food intake and reduce absorption of calories and nutrients in the treatment of severe obesity that typically involves reducing the size of the stomach and reconnecting the smaller stomach to bypass the first portion of the small intestine
especially
: roux-en-y gastric bypass
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