colonoscopen.
/kəˈlɒnəskəʊp/, U.S. /kəˈlɑnəˌskoʊp/ Medicine.
An instrument used for visual examination of the colon; (now) spec. a flexible fibre-optic endoscope often having attachments for biopsy, polypectomy, etc.
ΚΠ
1884 C. B. Kelsey Dis. Rectum & Anus iii. 76 Colonoscope of Bodenhamer.
1957 Dorland's Illustr. Med. Dict. (ed. 23) 300/2 Colonoscope, a speculum for examining the lower part of the bowel.
1977 Proc. Royal Soc. 1976–7 B. 195 251 The treatment of polyps in the colon has been revolutionized by the colonoscope.
1986 Consumer Rep. Sept. 579/3 That requires investigations that may include barium x-ray studies or the use of instruments (the sigmoidoscope or colonoscope) to examine the wall of the bowel.
1991 Consumers Digest Dec. 124/2 The flexible colonoscope..is equipped with fiberoptics and a cutting instrument.
2002 Sci. News 2 Feb. 72/1 About 150 centimeters away..is as far into the intestinal tract as a colonoscope can reach.
This entry has been updated (OED Third Edition, June 2022).
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