Voicebox examination. Surgeons using a gastroscope to examine a patient's voicebox, or larynx, and to perform a biopsy (taking a tissue sample for tes

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Voicebox examination. Surgeons using a gastroscope to examine a patient's voicebox, or larynx, and to perform a biopsy (taking a tissue sample for testing in the laboratory). A gastroscope is a type of endoscope (flexible fibre optic tube mounted on a camera) that inserted through the mouth to examine the upper digestive system.

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Photo credit: © DR P. MARAZZI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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