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aneurysm

Syllabification: an·eu·rysm
Pronunciation: /ˈanyəˌrizəm
 
/
(also aneurism)

Definition of aneurysm in English:

noun

Medicine
An excessive localized enlargement of an artery caused by a weakening of the artery wall.
Example sentences
  • An aneurysm is a swelling in part of an artery caused by damage to, or weakness of, a blood vessel wall.
  • In patients without subarachnoid hemorrhage from a separate aneurysm, larger aneurysms also were more likely to rupture.
  • For instance, if the aneurysm involves the arteries to the kidneys then surgeons need this information if they plan to operate.

Origin

late Middle English: from Greek aneurusma 'dilatation', from aneurunein 'widen out'.

Derivatives

aneurysmal

1
Pronunciation: /-ˌrizməl/
adjective
Example sentences
  • Subarachnoid hemorrhage associated with aneurysmal rupture is a potentially lethal event with a mortality rate as high as 50 percent.
  • However, the vascular wall was intact without any aneurysmal dilation or communication with the hemorrhagic cystic lesion.
  • The second patient described herein had aneurysmal changes with advanced degenerative disease.

Definition of aneurysm in:

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