| 释义 |
aneurysm, -ism|ˈænjʊrɪz(ə)m|
[mod. ad. (in Cotgr. 1611) Gr. ἀνεύρυσµα or ἀνευρυσµός dilatation, f. ἀνευρύνειν to widen out, f. ἀνά up, back + εὐρύν-ειν to widen, f. εὐρύ-ς wide. The spelling with y is etymological; but that with i, by form-assoc. with the ending -ism, is more frequent.]
1. Path. A morbid dilatation of an artery, due to disease in the arterial coats, or to a tumour caused by their rupture. Also attrib.
1656Ridgley Pract. Physic 7 New Aneurisms may be cured, but old not. 1728in Phil. Trans. XXXV. 436 An Aneurysm, without Doubt, is a Tumour arising from some Disorder in an Artery. 1743tr. Heister's Surg. 290 A true Aneurism has always a Pulsation. 1836–39Todd Cycl. Anat. & Phys. 225/1 After which the ligature is to be carried round it [the artery] by means of a blunt aneurism-needle. 1859Carpenter Anim. Phys. v. (1872) 229 Arteries are liable to a peculiar disease termed Aneurism which consists in a thinning-away or rupture of the tough fibrous coat. 1880Legg Bile 92 Aneurysm of the hepatic artery.
2. transf. and fig. An abnormal enlargement.
1880T. Hodgkin Italy & Invad. I. i. iv. 23 The Eastern half of the Empire..had suffered the dangerous aneurism of the Gothic settlement south of the Danube. 1881Tait in Nature XXV. 92 There is another peculiarity of the Challenger thermometers..at the lower end of each of the two vertical columns there is an aneurism on the tube. |