gastric bypass surgery

(redirected from Anastomosis, roux-en-y)

gastric bypass surgery

n.
A surgical procedure for treating obesity, in which the upper portion of the stomach is separated from the lower portion and is connected to the small intestine below the duodenum, resulting in smaller stomach capacity and reduced absorption of nutrients and calories.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.