- the surgical severance of vagus nerve fibers, performed to reduce acid secretion by the stomach.
Compare vagal block.
Origin of vagotomy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- surgical division of the vagus nerve, performed to limit gastric secretion in patients with severe peptic ulcers
C19: from vag (us) + -tomy
- Surgical division of fibers of the vagus nerve, used to diminish acid secretion of the stomach and control a duodenal ulcer.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.