antrectomy
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. ektome, excision]

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an·trec·to·my an-'trek-tə-mē n, pl -mies excision of an antrum (as of the stomach or mastoid)

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n.
1. surgical removal of the bony walls of an antrum. See antrostomy.
2. a surgical operation in which a part of the stomach (the antrum) is removed. Most secretions of acid, pepsin, and the hormone gastrin occur in the antrum and the operation may be required (usually combined with vagotomy) in the treatment of peptic ulcers that have recurred after vagotomy and are resistant to H2-blocking drugs (see antihistamine).

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an·trec·to·my (an-trekґtə-me) [antr- + -ectomy] surgical excision of an antrum, such as the pyloric antrum of the stomach.

Medical dictionary. 2011.

Look at other dictionaries:

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