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Related to aneurysm: stroke, aortic aneurysm, abdominal aortic aneurysm, Brain Aneurysm
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left: normal abdominal aorta
right: abdominal aortic aneurysm


also an·eu·rism  (ăn′yə-rĭz′əm)
An abnormal, blood-filled sac formed by dilation of the wall of a blood vessel or heart ventricle, most commonly the abdominal aorta and intracranial arteries, resulting from disease or trauma to the wall, as in atherosclerosis.

[Middle English aneurisme, ultimately from Greek aneurusma, from aneurein, to dilate : ana-, throughout; see ana- + eurus, wide.]

an′eu·rys′mal (-məl) adj.


(ˈænjəˌrɪzəm) or


(Medicine) a sac formed by abnormal dilation of the weakened wall of a blood vessel
[C15: from Greek aneurusma, from aneurunein to dilate, from eurunein to widen]
ˌaneuˈrysmal, ˌaneuˈrismal, ˌaneurysˈmatic, ˌaneurisˈmatic adj
ˌaneuˈrysmally, ˌaneuˈrismally, ˌaneurysˈmatically, ˌaneurisˈmatically adv


or an•eu•rism

(ˈæn yəˌrɪz əm)

a permanent cardiac or arterial dilatation usu. caused by weakening of the vessel wall.
[1650–60; < Greek aneúrysma dilation, derivative (with -(s)ma n. suffix of result) of aneurýnein to dilate (see an-3, eury-)]
an`eu•rys′mal, an`eu•ris′mal, adj.
an`eu•rys′mal•ly, an`eu•ris′mal•ly, adv.


A swelling in the wall of an artery or vein caused by disease or injury.

aneurism, aneurysm

a disease of the artery wall that causes a localized dilatation of the artery and a pulsating tumor.
See also: Blood and Blood Vessels
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.aneurysm - a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wallaneurysm - a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wall
cardiovascular disease - a disease of the heart or blood vessels
aortic aneurysm - an aneurysm of the aorta
cerebral aneurysm - an aneurysm of the carotid artery
intracranial aneurysm - an aneurysm of a cranial artery
ventricular aneurysm - a localized dilation or protrusion on the wall of the left ventricle of the heart (occurring after a myocardial infarction)


n. aneurisma, dilatación de una porción de la pared de una arteria;
aortic ______ aórtico;
berry ______ cerebral saculado;
cerebral ______ cerebral;
dissecting ______ disecante;
false ______ falso;
fusiform ______ fusiforme;
true ______verdadero.


n aneurisma m; abdominal aortic — aneurisma aórtico abdominal, aneurisma de aorta abdominal; dissecting — aneurisma disecante; mycotic — aneurisma micótico
References in periodicals archive ?
com/research/ltvvkv/global) has announced the addition of the "Global Endovascular Abdominal Aortic Aneurysm Repair Devices Market 2015-2019" report to their offering.
A persistent sciatic artery (PSA) was first described in 1832 (2), and the first death caused by a ruptured sciatic artery aneurysm was reported in 1864 (3).
8-cm transplant renal vein aneurysm (RVA) was discovered between the hilum and primary renal vein anastomosis with the external iliac vein.
A few genetic conditions are linked to brain aneurysm formation.
A GREAT-grandfather's life was saved when a hospital's new checkup for pensioners revealed he had an aneurysm the size of a tennis ball.
ISLAMABAD -- Former or current male smokers between 65 and 75 years old should receive an ultrasound screening for abdominal aortic aneurysm, recommends the U.
Nussbaum, a neurosurgeon at the National Brain Aneurysm Center, offers residents, fellows, and neurosurgeons this atlas, which explains how to perform surgical procedures for intracranial aneurysms and is accompanied by two DVDs containing 57 videos for demonstration.
Then after, many case reports have described this rare aneurysm and proposed different management modalities.
An aneurysm occurs when a blood vessel becomes weak in places and a bulge is created as blood passes through it.
Maple Grove-based Neurovasx's cPAX Aneurysm Treatment System is for surgery on brain aneurysms that are difficult to manage because of their size and shape.
SAN FRANCISCO -- The annual risk of an intracranial aneurysm rupturing may be lower than most previous estimates, according to calculations based on data from a large Norwegian population-based study.
NEW YORK--About one in four patients with abdominal aortic aneurysm may be at risk for thoracic aortic aneurysm, judging by results of a single-center retrospective study of more than 1,000 patients.