what is endoscopy? which principle in optics is made use of in endoscopy?
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It is a method of watching inside the body by the use of endoscope. This method is used for examining the body and organs for any damage and diseases. The principle of total internal reflection is used in the endoscope by using the optical fibres
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The meaning of Endoscopy is to look inside. It refers to the procedure of looking inside the body with and endoscope for medical reasons. It is an instrument used to examine the interior of a hollow organ or cavity of the body. Mostly the term endoscopy refers to an examination of the upper part of the gastrointestinal tract.
Unlike other medical imaging techniques, endoscopes are inserted directly into the organ. The principle of total internal reflection is used in the endoscope by using the optical fibres. One of the two main cables of the endoscope carry light from a bright lamp into the body. This illuminates the cavity where the endoscope has been inserted. The light bounces along the walls of the cable into the patient's body cavity.
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