PHILIPPE PSAILA / SCIENCE PHOTO LIBRARY PHILIPPE PSAILA / SCIENCE PHOTO LIBRARY
Endoscopy. Surgeon using an endoscope during a surgical procedure. An endoscope is a viewing instrument containing optical fibres and a light source. It often has remotely-controllable surgical instruments, seen here operated by the surgeon's right hand. This technique allows the surgeon access to internal body organs, which may also be displayed on video monitors. In this way many internal injuries, growths or disorders can be investigated and sometimes rectified without resorting to major surgery.
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