A localized widening (dilatation) of an artery, a vein, or the heart. At the point of an aneurysm, there is typically a bulge. The wall of the blood vessel or organ is weakened and may rupture.

An aneurysm situated within the abdomen (belly). An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is typically a bulge and the wall is weakened and may rupture. The word "aneurysm" comes from the Greek "aneurysma" meaning "a widening." See: Aneurysm, a [..]

See: Aortic aneurysm.

An aneurysm involving an artery.

See: Arteriosclerotic aneurysm.

See: Atherosclerotic aneurysm.

A small aneurysm that looks like a berry and classically occurs at the point at which a cerebral artery departs from the circular artery (the circle of Willis) at the base of the brain. Berry aneurysms frequently rupture and bleed.

An aneurysm of a blood vessel in the brain, usually due to a defect in the vessel at birth or from high blood pressure. Rupture of the aneurysm causes a sudden severe headache, often with nausea, vomiting, decreased consciousness, and can be life threatening.

An outpouching of an abnormally thin portion of the heart wall. Cardiac aneurysms tend to involve the left ventricle because the blood there is under the greatest pressure.

An aneurysm in which the wall of an artery rips (dissects) longitudinally. This occurs because bleeding into the weakened wall splits the wall. Dissecting aneurysms tend to affect the thoracic aorta. They are a particular danger in Marfan syndrome.

An aneurysm that is shaped like a spindle and widens an artery or a vein.

A tiny, millet-seed'sized aneurysm that tends to affect minute arteries in the brain and, in the eye, the retina.

An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is typically a bulge and the wall is weakened and may rupture. The word "aneurysm" comes from the Greek "aneurysma" meaning "a widening." A racemose aneurysm looks like a bunch of grapes. From the Latin [..]

An aneurysm involving the kidney artery. An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is typically a bulge and the wall is weakened and may rupture. The word "aneurysm" comes from the Greek "aneurysma" meaning "a widening."

An aneurysm that resembles a small sack. A berry aneurysm is typically saccular.

An aneurysm situated within the thorax (chest). See: Aneurysm, aortic. An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is typically a bulge and the wall is weakened and may rupture. The word "aneurysm" comes from the Greek "aneurysma" meaning "a widening.& [..]

A localized widening of a vein.

The enlargement of an artery; usually shaped like a bubble or balloon.

Weakened portion of a blood vessel wall that widens or bulges and may eventually rupture; a ruptured aneurysm can bleed heavily and may be fatal.

The abnormal enlargement or bulging of a blood vessel, caused by damage or weakness in the blood vessel wall.

A ballooning out of a segment of blood vessel caused by disease or weakness in the vessel wall. It may lead to rupture and serious or fatal bleeding.

a ballooning out of the wall of a blood vessel or a heart chamber due to a weakening of the wall by disease or injury.

early 15c., from Medieval Latin aneurisma, from Greek aneurysmos "dilation," from aneurynein "to dilate," from ana- "up" (see ana-) + eurynein "widen," from eur [..]

A balloon-like swelling occurring in the wall of an artery.

Dilation of an artery, formed by a circumscribed enlargement of its wall. Saccular (berry) aneurysm - sac-like bulging on one side of an artery usually arising at an arterial branching.

A balloon like swelling of an artery.

n. swelling at a specific point in an artery, usually where arteries branch from each other, caused by the impact of blood pressure on weak or damaged tissues in this area.

swelling in artery wall (pop)

An aneurysm is a medical term for a blood vessel abnormality characterized by a weakening of the wall of an artery. This abnormality leads to a progressive “ballooning” of the vessel [..]

Dilation of an artery, formed by a circumscribed enlargement of its wall. Saccular (berry) aneurysm - sac-like bulging on one side of an artery usually arising at an arterial branching.

a thin or weak spot in an artery that balloons out and can burst.

An aneurysm is an abnormal widening of a portion of an artery, due to weakness in the wall of the blood vessel. Some common locations for aneurysms include:

(n) a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wall

A balloon-like deformity in the wall of a blood vessel. The wall weakens as the balloon grows larger, and may eventually burst, causing a hemorrhage. [Click Here to Return to List]

A bulge or swelling on a portion of a blood vessel, due to weakness in the wall of that vessel.

a ballooning of an artery caused by a weakened artery wall.

A sac (or bulging) artery or vein caused by dilatation of the walls of the vessel.

a balloon-like deformity in the wall of a blood vessel. The wall weakens as the balloon grows larger, and may eventually burst, causing a hemorrhage.      

An aneurysm is blood-filled bulging of a blood vessel. Aneuryms are caused by weakening of the vessel wall. Aneurysms commonly occur in the aorta or the arteries in base of the brain. If the aneurysm [..]

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 Rup [..]

An abnormal balloon- or sac-like Dilatation in the wall of the Abdominal Aorta which gives rise to the visceral, the parietal, and the terminal (iliac) branches below the aortic hiatus at the Diaphrag [..]

An abnormal balloon- or sac-like Dilatation in the wall of Aorta.

Outpouching of Basilar Artery at the base of the Skull. The Basilar Artery is the most important Artery in the posterior cerebral circulation.

Abnormal balloon- or sac-like Dilatation in the wall of Coronary Vessels. Most coronary Aneurysms are due to Coronary Atherosclerosis, and the Rest are due to inflammatory Diseases, such as Kawasaki D [..]

Aneurysm caused by a Tear in the Tunica Intima of a Blood Vessel leading to interstitial Hemorrhage, and splitting (dissecting) of the vessel wall, often involving the Aorta. Dissection between the in [..]

Not an Aneurysm but a well-defined collection of Blood and Connective Tissue outside the wall of a Blood Vessel or the Heart. It is the containment of a Ruptured Blood Vessel or Heart, such as sealing [..]

Elongated, spindle-shaped dilation in the wall of Blood Vessels, usually large Arteries with Atherosclerosis.

A localized bulging or Dilatation in the Muscle wall of a Heart (Myocardium), usually in the LEFT VENTRICLE. Blood-filled Aneurysms are dangerous because they may burst. Fibrous Aneurysms interfere wi [..]

Abnormal balloon- or sac-like Dilatation in the wall of any one of the Iliac Arteries including the common, the internal, or the external Iliac Artery.

Aneurysm due to Growth of microorganisms in the arterial wall, or Infection arising within preexisting arteriosclerotic Aneurysms.

Abnormal outpouching in the wall of intracranial Blood Vessels. Most common are the saccular (berry) Aneurysms located at branch points in Circle of Willis at the base of the Brain. Vessel Rupture res [..]

The tearing or bursting of the weakened wall of the Aneurysmal sac, usually heralded by sudden worsening Pain. The great danger of a ruptured Aneurysm is the large amount of Blood spilling into the su [..]

An abnormal balloon- or sac-like Dilatation in the wall of the Thoracic Aorta. This proximal descending portion of Aorta gives rise to the visceral and the parietal branches above the aortic hiatus at [..]

A sac formed by the dilatation of the wall of an artery, a vein, or the heart.

Splitting or dissection of an arterial wall by blood entering through an intimal tear or by interstitial hemorrhage. It is most common in the aorta.

An aneurysm in which the entire wall is injured and the blood is contained by the surrounding tissues, with eventual formation of a sac communicating with the artery or heart. (Dorland, 28th ed)

Aneurysm due to growth of microorganisms in the arterial wall, or infection arising within preexisting arteriosclerotic aneurysms.

The tearing or herniation of the weakened wall of the aneurysmal sac.

A dilation or bulging of a blood vessel caused by a weakening of its walls.

An abnormal bulging or stretching of a weakened wall of a blood vessel.  More about aneurysms.

<anatomy, surgery> A sac formed by the dilatation of the wall of an artery, a vein or the heart. The physical signs of arterial aneurysm are the formation of a pulsating tumour and often a bruit (aneurysmal bruit) heard over the swelling. Sometimes there are symptoms from pressure on contiguous parts. Origin: Gr. Aneurysma = a widening (18 No [..]

Splitting or dissection of an arterial wall by blood entering through an intimal tear or by interstitial haemorrhage. It is most common in the aorta. (12 Dec 1998)

An aneurysm in which the entire wall is injured and the blood is contained by the surrounding tissues, with eventual formation of a sac communicating with the artery or heart. (12 Dec 1998)

Aneurysm due to growth of microorganisms in the arterial wall, or infection arising within preexisting arteriosclerotic aneurysms. (12 Dec 1998)

The tearing or herniation of the weakened wall of the aneurysmal sac. (12 Dec 1998)

a sac-like protrusion from a blood vessel.