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Sigmoidoscope
Pronunciation
Definition 1
A thin, tube-like instrument used to examine the inside of the colon. A sigmoidoscope has a light and a lens for viewing and may have a tool to remove tissue. (NCI Dictionary)
Definition 2
A flexible fiber-optic probe that is used to examine the last 12-25 inches of the large intestine. (NCI Thesaurus)
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