endoscope

noun

en·do·scope | \ ˈen-də-ˌskōp

Definition of endoscope

: an illuminated usually fiber-optic flexible or rigid tubular instrument for visualizing the interior of a hollow organ or part (such as the bladder or esophagus) for diagnostic or therapeutic purposes that typically has one or more channels to enable passage of instruments (such as forceps or scissors)

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The Greek prefix endo- means "within, inside", so around 1860 an early crude instrument for looking deep inside the body was named the endoscope. But modern endoscopy required the invention of the electric lightbulb and then fiber-optic cable, so the first modern endoscopes date only to 1967. An endoscope may be inserted through a natural passageway (for example, through the nose or down the esophagus) or through a tiny cut in the skin. A tiny camera with a light at the end of the cable sends back images onto a screen, and the surgeon uses special instruments that work through a tube alongside the cable. There are now specialized types of endoscopes for every part of the body, where they can take tissue samples, cut out small growths, or remove foreign objects.

Examples of endoscope in a Sentence

Recent Examples on the Web According to hospital officials, a review of safety procedures found that tubing used in endoscope procedures was rinsed but not disinfected. — CNN, 3 Oct. 2021 Three times, doctors tried to stop the bleeding with an endoscope — a flexible tube that can be used to see and treat internal bleeding — to no avail, daughter Dottie Glatz said. — John Fauber And Coulter Jones, Milwaukee Journal Sentinel, 23 Aug. 2021 Johns injects less than one-tenth of a teaspoon’s worth of the silk and hyaluronic acid mixture through a special catheter wired through his endoscope. — Max G. Levy, Wired, 28 June 2021 And the industrial endoscope lens is water-resistant. — Maren Estrada, BGR, 26 Mar. 2021 This wireless WiFi endoscope can work with Android 5.0+ smartphone and iPhone with iOS 9+ system. — Maren Estrada, BGR, 16 Apr. 2021 Debra then called John to come to Gulfport to try to remove the hook with an endoscope. — Debra Moore, The Conversation, 13 May 2021 This wireless WiFi endoscope can work with Android 5.0+ smartphone and iPhone with iOS 9+ system. — Maren Estrada, BGR, 16 Apr. 2021 This wireless WiFi endoscope can work with Android 5.0+ smartphone and iPhone with iOS 9+ system. — Maren Estrada, BGR, 16 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'endoscope.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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endosclerite

endoscope

endoscopic

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Last Updated

10 Oct 2021

Cite this Entry

“Endoscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endoscope. Accessed 21 Oct. 2021.

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More Definitions for endoscope

endoscope

noun

en·do·scope | \ ˈen-də-ˌskōp

Medical Definition of endoscope

: an illuminated usually fiber-optic flexible or rigid tubular instrument for visualizing the interior of a hollow organ or part (as the bladder or esophagus) for diagnostic or therapeutic purposes that typically has one or more channels to enable passage of instruments (as forceps or scissors)