epicolicadj.
/ˌɛpᵻˈkɒlɪk/, U.S. /ˌɛpəˈkɑlɪk/ Anatomy.† 1. Designating the left and right lateral regions of the abdomen, which are located on either side of the umbilical region and overlie parts of the colon. Chiefly in epicolic region. Obsolete.
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1719 J. Quincy Lexicon Physico-medicum 133/1 Epicolick Regions, is that Space on both Sides, where the Colon runs under: and thus called, first from Dr. Glisson.
1769 B. Alexander tr. G. B. Morgagni Seats & Causes Dis. III. iv. liv. 226 This [wound] was inflicted upon the left epicolic region, with a butcher's knife.
1804 London Dissector 15 The Umbilical, or middle region [of the abdomen], the sides of which are termed Iliac or Epicolic regions.
1812 B. Travers Inq. Process Nature repairing Injuries Intestines i. 26 This man was stabbed with a butcher's knife in the epicolic region, and after violent convulsions died about the fortieth hour.
1884 London Med. Rec. 15 Nov. 493/2 He had the blue line on the gums, muscular atrophy of the limbs, and the abdomen retracted transversely in the epicolic and inferior epigastric regions.
1906 Brit. Med. Jrnl. 19 May 73/1 It [sc. the displaced portion of the liver] is usually found in the right epicolic region.
2. Of a lymph node or chain of lymph nodes: located on the outer surface of the colon. Cf. paracolic adj. at para- prefix1 2a.
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1909 Lancet 20 Feb. 541/2 Each chain [of lymphatic glands] was subdivided into groups, epicolic, paracolic, intermediate, and main groups.
1986 Seminars Oncol. Nursing 2 238/2 Lymph drains from the epicolic nodes (on bowel wall) to the paracolic nodes (adjacent to bowel wall).
2010 E. Al-Sukhni & S. Gallinger in N. Beauchemin & J. Huot Metastasis Colorectal Cancer xiii. 361 The primary sites of nodal metastasis are the epicolic nodes, found along the bowel wall, and the paracolic nodes, which lie along the marginal arteries.
This entry has been updated (OED Third Edition, March 2016; most recently modified version published online March 2022).
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adj.1719