Category: L
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Liver abscess
Localized accumulation of pus in the liver; often due to amebiasis. A pus-filled sac in the liver that may be caused by an amebic infection, a bacterial infection, or trauma. Symptoms include night sweats, fever, chills, nausea, vomiting, loss of appetite, weight loss, and abdominal pain. Diagnosis is made through blood tests, X rays, and…
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Liquefaction
Conversion of solid tissue into a liquid or semi-liquid form; may be associated with normal cell turnover or tissue loss due to injury or disease. The conversion of a solid into a liquid. The transformation, typically of a solid tissue, into a liquid or semi-liquid state, caused by the blockage of blood supply, bacterial activity,…
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Lipemia
Abnormally high amount of fat in the blood. The presence in the blood of an abnormally large amount of fat, such as cholesterol. A rise in the lipid concentration in the bloodstream. A broad term used to describe increased levels of any or all types of lipids in the blood plasma.
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Linked genes
Genes located close together on the same chromosome that tend to be transmitted as a unit.
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light diet
Diet consisting of easily digested foods, with avoidance of highly seasoned and fried foods, suitable for convalescent and bedridden persons. A diet consisting of all foods allowed in a soft diet, plus whole-grain cereals, easily digested raw fruits, and vegetables. Foods are not pureed or ground. This diet is used as an intermediate regimen for…
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Levodopa
Drug used to treat parkinsonism. Adverse effects include anorexia, gastrointestinal disturbances, and movement disorders. A naturally occurring amino acid administered by mouth to treat parkinsonism. Common side-effects are nausea, vomiting, loss of appetite, and involuntary facial movements; high doses may cause weakness, faintness, and dizziness. A drug used in the treatment of parkinsonism. It is…
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Leukotrichia
Condition of having white hair.
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Leukopoiesis
Normal development and production of white blood cells (leukocytes) by the bone marrow. The process of the production of white blood cells (leukocytes), which normally occurs in the blood-forming tissue of the bone marrow.
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Leukonychia
White discoloration of the nails; it may result from trauma, certain systemic disorders, or unknown causes. White discoloration of the nails, which may be total or partial. The cause is unknown.
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Leukoma
White opacity in the cornea of the eye, most often the result of corneal inflammation or ulceration but sometimes congenital; also called leucoma. A white opacity in the cornea. Most leukomas result from scarring after corneal inflammation or ulceration. Congenital types may be associated with other abnormalities of the eye. A whitish cloudiness on the…