AJ PHOTO / SCIENCE PHOTO LIBRARY AJ PHOTO / SCIENCE PHOTO LIBRARY
Endoscopy. Hand holding a control unit (lower left) for an endoscope. Endoscopy is the visual inspection of a cavity in the body by means of a viewing instrument (not seen) that is introduced through an orifice or a surgical incision. The dial permits the navigation of a flexible fibre-optic endoscope inside the body. The images obtained by the endoscope are displayed on the monitor (top centre) and printed out (far right).
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