esophagomyotomy

[ĭ-sŏf′ə-gō-mī-ŏtə-mē]
n.
  1. Treatment of esophageal achalasia by a longitudinal division of the lowest part of the esophageal muscle down to the submucosal layer.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.