Aneurysm, also spelled aneurism, is the dilation of artery that lead to fatal rupture of the arterial wall.
More inclusively, aneurysm is known as ectasia, ectasis, and ectasy. For example,
- Atelectasis is the dilation of lungs of newborn
- Bronchiectasis is of bronchial tubes
- Phlebectasia is of vein
- Sialectasis is of the ducts of the salivary glands, especially the parotids
- Telangiectasis is of small blood vessels
- Trichangiectasia is of capillaries