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