An operation to cut the vagus nerve. This causes the stomach to make less acid.
(vay-GOT-oh-mee) Surgery that severs the vagus nerve in order to supress gastric acid secretion. This surgery may impair gastric emptying and require an additional pyloroplasty procedure to allow drainage.
A vagotomy is a surgical procedure that is performed only in humans. It is resection (removal of, or at least severing) of part of the vagus nerve.