VOLKER STEGER / SCIENCE PHOTO LIBRARY VOLKER STEGER / SCIENCE PHOTO LIBRARY
Endoscope forceps. Coloured scanning electron micrograph (SEM) of a watch cog being held by endoscope forceps. Surgical tools such as this are used with an endoscope (a tube for looking inside the body) to remove small obstructions in the body. In the case of these microforceps, removing swallowed blockages and foreign bodies in the lungs are common tasks. Endoscopy (often called "keyhole surgery") uses small tools which are introduced into the body through a small hole, and operated from outside the body. This technique doesn't cause scarring, and poses a lower risk of infection and complications than conventional open surgery. Magnification: x16 at 4.5x7cm size.
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