Category: L
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Lingual aponeurosia
Connective tissue sheet of the tongue to which lingual muscles attach.
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Lymphogranuloma venereum antigen
An antigen used in a skin test for lymphogranuloma venereum.
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Leukotriene-receptor antagonist
Any of several medications (e.g., zafirlukast and montelukast) that block the inflammatory effects of leukotrienes and are used to treat patients with asthma. These medications help to reduce the dependence of asthmatic patients on corticosteroids and beta-agonist inhalers. A medication used for asthma management that regulates inflammation of the airways by inhibiting the activity of…
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Laser assisted angioplasty
The use of laser energy to vaporize an atherosclerotic plaque in a diseased coronary or peripheral blood vessel.
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Local anaphylaxis
A reaction between IgE antibodies bound to mast cells and an allergen that is limited to a small part of the body. Localized edema and urticaria (hives) result and may vary in intensity.
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Localized amyloidosis
Amyloidosis in which isolated amyloid tumors are formed.
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Lichen amyloidosis
A form of amyloidosis limited to the skin.
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Lacunar amnesia
Loss of memory for isolated events.
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Lead amaurosis
Amaurosis caused by lead poisoning.
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Latex allergy
An immune reaction resulting from contact with products derived from the rubber tree, Hevea brasiliensis, or the chemicals added to latex during the manufacturing process. Latex antigens can be absorbed through the skin or inhaled. The allergic reaction may be relatively mild (marked by rashes or reddened skin) or more severe (rhinitis, hives, bronchospasm, or…