名詞 aneurysm:

1. a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wall
   同義詞：aneurism

aneurysm 也作 an.eu.rism

n.（名詞）
A localized, pathological, blood-filled dilatation of a blood vessel caused by a disease or weakening of the vessel`s wall.
動脈瘤：由于疾病或血管壁衰弱引起的血管局部病理性充血擴脹

來源：
Middle English aneurisme
中古英語 aneurisme
ultimately from Greek aneurusma
最終源自 希臘語 aneurusma
from aneurein [to dilate]
源自 aneurein [擴大]
ana- [throughout] * see ana-
ana- [整個] *參見 ana-
eurus [wide]
eurus [寬的]

【引伸】
an.eurys.mal