A surgical operation to remove an antrum, most commonly referring to removal of the maxillary antrum or part of the stomach (antral tissue).
From 'antrum' (cavity) + '-ectomy' (surgical removal, from Greek ektome). This surgical terminology developed in the late 19th-20th centuries as surgical techniques advanced and specific procedures became named.
Gastrointestinal antrectomy is used to treat peptic ulcers and gastric cancer, and it's a procedure that demonstrates how surgeons can reshape the digestive system—removing the antral region actually changes how the stomach functions and digests food.
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