oesophagoscope

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oesophagoscope (ee-sof-ă-goh-skohp) n. an illuminated optical instrument that is used to inspect the interior of the oesophagus, dilate its canal, obtain material for biopsy, or remove a foreign body.
oesophagoscopy (ee-sof-ă-gos-kŏ-pi) n.

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