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Related to saccular aneurysm: cerebral aneurysm, dissecting aneurysm, berry 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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


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.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


A swelling in the wall of an artery or vein caused by disease or injury.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


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.
English-Spanish Medical Dictionary © Farlex 2012


n aneurisma m; abdominal aortic — aneurisma aórtico abdominal, aneurisma de aorta abdominal; dissecting — aneurisma disecante; mycotic — aneurisma micótico
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
The patient underwent cerebral angiography and a lobule-irregular contouring saccular aneurysm of the size of approximately 4-5 mm was detected in the right vertebral artery at the level of the posterior inferior cerebellar artery orifice; then the patient underwent endovascular aneurysm embolization.
C, Male, 75-year-old, CT scan of chest demonstrating a saccular aneurysm formation at the thoracic segment of descending aorta and mural filling defect.
(b) A diagnostic cerebral angiogram less than 3 weeks from previous imaging demonstrating interval development of a saccular aneurysm at the callosomarginal and pericallosal bifurcation.
Saratzis, "Case Report Endovascular Repair of Aortobronchial Fistula due to Saccular Aneurysm of Thoracic Aorta Konstantinos Tigkiropoulos, Kyriakos Stavridis, Ioannis Lazaridis," 2017.
Computed tomographic angiography revealed a saccular aneurysm at the paravisceral aortic region, a nearly occluded celiac artery, and superior mesenteric artery with a large patent inferior mesenteric artery (7.3 mm), which provided a large collateral in the retroperitoneal space for supplying visceral organs, as shown in Figure 1.
It would be of interest to investigate an appropriate transitional model considering blood to be non-Newtonian in nature on a saccular aneurysm of a diseased aorta.
Primary Aortoenteric Fistula of a Saccular Aneurysm: Case Study and Literature Review.
Saccular Aneurysm of the Proximal Left Common Carotid Artery.
A 2x2 cm saccular aneurysm was excised at the distal part of the radial artery (Figure 1).
A computed tomography (CT) scan demonstrated marked tortuosity and atherosclerosis, a saccular aneurysm over the aortic arch and proximal descending aorta with a maximal diameter of about 8.7 cm, and mural thrombus formation [Figure 1]a and b.
There was a 5.1 mm x 5.3 mm x 6 mm saccular aneurysm seen on the right posterior cerebral artery (PCA).