A medical examination procedure in which a gastroscope is inserted through the mouth and throat to examine the stomach and upper digestive tract.
From Greek 'gastro-' (stomach) + 'scopy' (examination or viewing). The suffix '-scopy' comes from 'skopein' meaning 'to look at.'
Gastroscopy changed medicine forever—before it was invented, doctors had to open patients up with surgery just to look inside the stomach; now they can see everything with a tiny camera!
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