ocr: ENDOSCOPE DOCTOR CAN LOOK inside your - - body withoutcutting ito open by using an endoscope. A narrow tube is fed into a channel of the body, such as the throat. Light tubes containing optical CONNECTOR fibers transmit light up and down the EYEPIECE twists and turns of the tube to reveal the interior of the body. The endoscope also contains air and water pipes, and a tube through which surgical instruments can be inserted. CONTROLS INSTRUMENT. AIR PIPE ANGLE CHANNEL WATER KNOB PIPE TUBE CONTROL WIRES LIGHT GUIDE SEE ALSO IMAGE GUIDE
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