Aneurysm

As a Noun

1. A bulging or ballooning of a weakened area in a blood vessel, often in the brain or aorta.
2. A potentially dangerous condition that can lead to rupture and internal bleeding.
3. A localized enlargement of an artery due to a weakened blood vessel wall.

Word History

The word aneurysm comes from the Greek aneurysma, meaning “a widening,” derived from aneurynein (“to widen or dilate”). It has been used in medical terminology since the 16th century to describe abnormal blood vessel expansion.

Examples

1. The patient was diagnosed with a brain aneurysm during a routine scan.
2. If an aneurysm ruptures, it can cause severe internal bleeding.
3. Surgery may be required to repair a large aneurysm in the aorta.

Synonyms

Arterial bulge, vascular swelling, blood vessel dilation

Related Words

Stroke, hemorrhage, vascular disorder, embolism

Antonyms

Healthy artery, normal circulation, intact blood vessel