- a permanent cardiac or arterial dilatation usually caused by weakening of the vessel wall.
Origin of aneurysm
Examples from the Web for aneurism
But apoplexy may kill one in two hours, and aneurism only takes two minutes.The Three Cities Trilogy, Complete
But she is evidently in bad health, and dies the same night of aneurism.A History of the French Novel, Vol. 2
Physicians had been sent for, who had attributed his death to an aneurism.The Son of Monte Christo
The aneurism continued to contract, and the patient was sent home.Surgical Experiences in South Africa, 1899-1900
George Henry Makins
He also had an operation, like that of Antyllus, for the cure of aneurism.Outlines of Greek and Roman Medicine
James Sands Elliott
- a sac formed by abnormal dilation of the weakened wall of a blood vessel
Word Origin and History for aneurism
early 15c., from Medieval Latin aneurisma, from Greek aneurysmos "dilation," from aneurynein "to dilate," from ana- "up" (see ana-) + eurynein "widen," from eurys "broad, wide," from PIE root *were- "wide, broad" (cf. Sanskrit uruh "broad, wide").
- A localized, blood-filled dilation of a blood vessel caused by disease or weakening of the vessel wall.
- A localized, blood-filled dilation of a blood vessel or cardiac chamber caused by disease, such as arteriosclerosis, or weakening of the vessel or chamber wall. A ruptured aneurysm results in hemorrhage and is often fatal.