endoscopy

Từ điển WordNet v3.1 - WordNet Dictionary

noun

visual examination of the interior of a hollow body organ by use of an endoscope
• Derivationally related forms:
endoscopic
• Hypernyms:
examination, scrutiny
• Hyponyms:
celioscopy, colonoscopy, culdoscopy, gastroscopy, hysteroscopy,
proctoscopy, sigmoidoscopy, flexible sigmoidoscopy