| 释义 |
‖ diverticulum|daɪvəˈtɪkjʊləm|
Pl. -a.
[L. dī- dēverticulum a byway, bypath, deviation, wayside shelter or lodging; f. dēvertĕre to turn down or aside, f. de- I. 1 + vertĕre to turn.]
†1. A byway; a way out, means of exit. Obs.
1647W. Strong Trust & Acc. Steward 19 Some..love diverticulaes and turne aside unto crooked waies. 1695Woodward Nat. Hist. Earth iii. §13 (1723) 159 Were it not for these Diverticula, whereby it [fire] thus gains an Exit, 'twould..make greater Havock than now it doth.
2. A smaller side-branch of any cavity or passage; in Anat. applied usually to a blind tubular process; in Pathol. to a malformation having this character.
1819Pantologia, Diverticulum, a mal-formation or diseased appearance of intestine, in which a portion of intestine goes out of the regular course of the tube. 1822in Crabb Technol. Dict. 1871Darwin Desc. Man I. i. 27 The cæcum is a branch or diverticulum of the intestine, ending in a cul-de-sac. 1880Mivart in Contemp. Rev. 285 The South Pacific, of which all other oceans and seas may be regarded as diverticula or reaches. |