| 释义 |
Meckel's diverticulum, n. Anat. and Path.|ˈmɛkəlz daɪvəˈtɪkjʊləm|
[f. the name of the younger J. F. Meckel (see Meckelian a.).]
a. A sacciform remnant of the vitello-intestinal duct found in some individuals, situated in the ileum about one metre from the iliocaecal valve.
b. Any of several pathological conditions associated with this.
1849E. Sieveking tr. Rokitansky Man. Path. Anat. II. i. i. 46 Meckel's diverticulum verum..is a dilatation of the small intestine, representing a hollow appendix. 1876Jrnl. Anat. & Physiol. X. 617 (heading) Note on an example of Meckel's diverticulum. 1890E. Owen Man. Anat. for Senior Students iv. 325 A special outgrowth, Meckel's diverticulum, is found about 2 ft. above the ileo-cæcal valve. 1961R. D. Baker Essent. Path. xvi. 399 Meckel's diverticulum is a remnant of the omphalomesenteric duct. 1975C. C. Roy et al. Pediatric Clin. Gastroenterol. (ed. 2) v. 130/2 The infant or young child who has a massive, painless bout of bright red or dark red rectal bleeding most likely has Meckel's diverticulum. 1977Lancet 16 July 145/2 At operation 18 cm of dilated plum-coloured small bowel was removed together with a Meckel's diverticulum. 1987Oxf. Textbk. Med. (ed. 2) I. xii. 143/2 The use of this technique should lead to an earlier and more accurate diagnosis of Meckel's diverticulum. |