An excessive localized enlargement of an artery caused by a weakening of the artery wall.
- ‘Your doctor can measure pulses at points around your body to check for a variety of problems, including aneurysms and narrowed arteries.’
- ‘For instance, if the aneurysm involves the arteries to the kidneys then surgeons need this information if they plan to operate.’
- ‘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.’
- ‘The increasing swelling of an aneurysm of the aorta may press on the spine and chest organs.’
Late Middle English: from Greek aneurusma dilatation from aneurunein widen out.