Category: An-An
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Angiitis, allergic granulomatous
A disease characterized by inflammation of the blood vessels in persons with history of asthma or allergy. The symptoms include fatigue, weight loss, inflammation of the nasal passages, numbness, and weakness. The diagnosis is confirmed with a biopsy of involved tissue. Treatment involves stopping inflammation and suppressing the immune system. Also known as allergic granulomatosis and allergic granulomatous angiitis.
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Angiitis
Inflammation of the walls of small blood vessels. Also known as vasculitis.
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Anger
An emotional state that may range in intensity from mild irritation to intense fury and rage. Anger may have physical effects such as raising the heart rate, blood pressure and the levels of adrenaline and noradrenaline.
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Angelman syndrome
An important genetic syndrome characterized by severe motor and intellectual retardation, microcephaly (abnormally small head), ataxia, frequent jerky limb movements and flapping of the arms and hands, hypotonia (floppiness), hyperactivity, seizures, absence of speech, frequent smiling and outbursts of laughter, and an unusual facies (facial appearance) characterized by macrostomia (large mouth), a large jaw and open-mouthed expression, and a great propensity…
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Anfinsen
American biochemist. He shared a 1972 Nobel Prize for pioneering studies of ribonuclease.
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Aneurysmal bruit
A blowing sound heard over an aneurysm, a widening of a vessel. Bruit is French for noise.
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Aneurysm, venous
A localized widening of a vein.
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Aneurysm, thoracic
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.”
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Aneurysm, saccular
An aneurysm that resembles a small sack. A berry aneurysm is typically saccular.
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Aneurysm, renal
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.”