Definition: Removal of a portion of the walls of the maxillary antrum. Removal of the antrum (distal half) of the stomach; often combined with bilateral excision of portions of vagus nerve trunks (vagectomy) in treatment of peptic ulcer. Reconstruction of the continuity of the alimentary tract can be by a gastroduodenostomy (Billroth I) or a loop gastrojejunostomy (Billroth II).
[antrum + G. ektomē, excision]
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.