ANEURYSM Meaning and
Definition
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An aneurysm refers to a localized, abnormal dilation or bulging of an artery's wall, usually occurring due to weakness in the blood vessel's muscular layer caused by damage or a congenital defect. This condition can be potentially life-threatening if left untreated.
Aneurysms can develop in various parts of the body, but they are most commonly observed in the brain (cerebral aneurysms), aorta (the largest artery that carries blood from the heart to the rest of the body), or peripheral blood vessels. In the case of a cerebral aneurysm, the weakened blood vessel wall may expand or balloon outwards and form a sac-like structure, placing pressure on surrounding tissues or nerves.
The causes of aneurysms are diverse, including genetic factors, high blood pressure, trauma, infection, and certain conditions such as atherosclerosis (a buildup of plaque in the arteries). Sometimes, aneurysms remain undetected until they rupture, which can result in severe consequences like hemorrhages, strokes, or even death.
Diagnosis of an aneurysm commonly involves medical imaging tests such as computed tomography (CT) scans, magnetic resonance imaging (MRI), or angiography. Treatment options may depend on various factors like location, size, risk of rupture, and overall health condition of the patient. Surgical interventions, endovascular procedures (using small catheters to treat the affected artery), or coiling (the insertion of detachable platinum coils to obstruct blood flow to the aneurysm) might be recommended to mitigate the risk associated with aneurysms and prevent further complications.
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A blood-containing tumor connecting directly with the lumen of an artery or formed by a circumscribed enlargement, either axial or lateral, of an artery.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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Etymology of ANEURYSM
The word "aneurysm" comes from the Greek word "aneurysma" (ἀνεύρυσμα), which means "dilation" or "a widening". This Greek term is derived from the verb "aneuryssein" (ἀνευρύσσειν), meaning "to dilate" or "to widen". The term was later adapted into Latin as "aneurisma" and passed into modern English as "aneurysm". In medical terminology, an aneurysm refers to an abnormal bulging or ballooning of a weakened area in the wall of a blood vessel.
Similar spelling words for ANEURYSM
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