gastric acid secretion test

Pronunciation: (GAS-trik A-sid seh-KREE-shun …)

A test used to measure the amount of gastric acid made by the stomach. The patient receives an injection of the hormone gastrin or insulin. A tube is put through the nose or throat into the stomach and samples are taken from the stomach and sent to a laboratory for testing. Also called stomach acid stimulation test and stomach acid test.

Source: NCI Dictionary of Cancer Terms