Localized distended sac affecting only part of the wall of blood vessels.
Elongated, spindle-shaped dilation in the wall of blood vessels, usually large ARTERIES with ATHEROSCLEROSIS.
Pathological outpouching or sac-like dilatation in the wall of any blood vessel (ARTERIES or VEINS) or the heart (HEART ANEURYSM). It indicates a thin and weakened area in the wall which may later rupture. Aneurysms are classified by location, etiology, or other characteristics.
Synonyms: Fusiform Aneurysm, Aneurysms, Fusiform, Aneurysm, Fusiform, Saccular Aneurysm, Aneurysm, Aneurysms, Fusiform Aneurysms
Instance information
general; prefer specifics; coordinate IM with specific vessel (IM) or precoordinated vascular disease if available (IM); rupture = ANEURYSM, RUPTURED (see note there)
D000783