English dictionary of medical terms (50)

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No:980 - leukaemia: an acute or chronic disease of unknown cause in man and other warm-blooded animals that involves the blood-forming organs, is characterized by an abnormal increase in the number of leucocytes in the tissues of the body with or without a corresponding increase of those in the circulating blood, and is classified according of the type leucocyte most prominently involved.
No:981 - leukocytic or leucocytic: pertaining to leucocytes.
No:982 - leukocytosis or leucocytosis: a transient increase in the number of leucocytes in the blood, resulting from various causes, as haemorrhage, fever, infection, inflammation, etc.
No:983 - leukopenia or leucopenia: (leucocyte + Gr. penia poverty) reduction in the number of leucocytes in the blood, the count being 5000 per cu. mm. or less.
No:984 - leukoplakia or leucoplakia: (leuko- + Gr. plax plate + -ia) 1. a white patch on a mucous membrane that will not rub off. 2. oral.
No:985 - leukorrhea or leucorrhea: (leuko- + Gr. rhoia flow) a whitish, viscid discharge from the vagina and uterine cavity.
No:986 - libido: sexual desire.
No:987 - lichenification: hypertrophy of the epidermis, resulting in thickening of the skin with exaggeration of the normal skin markings, giving the skin a leathery barklike appearance, which is caused by prolonged rubbing or scratching. It may arise on seemingly normal skin, or it may develop at the site of another pruritic cutaneous disorder.
No:988 - ligament: a band of fibrous tissue that connects bones or cartilages, serving to support and strengthen joints.
No:989 - limbic: pertaining to a limbus, or margin; forming a border around.
No:990 - linear: (L. linearis) pertaining to or resembling a line.
No:991 - lipid: any of a heterogeneous group of flats and fatlike substances characterized by being water-insoluble and being extractable by nonpolar (or fat) solvents such as alcohol, ether, chloroform, benzene, etc. All contain as a major constituent aliphatic hydrocarbons. The lipids, which are easily stored in the body, serve as a source of fuel, are an important constituent of cell structure, and serve other biological functions. Lipids may be considered to include fatty acids, neutral fats, waxes, and steroids. Compound lipids comprise the glycolipids, lipoproteins, and phospholipids.
No:992 - lipodystrophy: (lipo- + dystrophy) 1. any disturbance of fat metabolism. 2. a group of conditions due to defective metabolism of fat, resulting in the absence of subcutaneous fat, which may be congenital or acquired and partial or total. Called also lipoatrophy and lipodystrophia.
No:993 - lipophilic: having an affinity for fat; pertaining to or characterized by lipophilia.
No:994 - lipoprotein: any of the lipid-protein complexes in which lipids are transported in the blood; lipoprotein particles consist of a spherical hydrophobic core of triglycerides or cholesterol esters surrounded by an amphipathic monolayer of phospholipids, cholesterol, and apolipoproteins; the four principal classes are high-density, low-density, and very-low-density lipoproteins and chylomicrons.
No:995 - liposome: (lipo- + Gr. soma body) a spherical particle in an aqueous medium, formed by a lipid bilayer enclosing an aqueous compartment.
No:996 - liquifilm: a thin liquid layer of coating.
No:997 - liquor: 1. a liquid, especially an aqueous solution containing a medicinal substance. 2. a general term used in anatomical nomenclature for certain fluids of the body. See also solution.
No:998 - livedo: a discoloured spot or patch on the skin, commonly due to passive congestion; commonly used alone to refer to l. reticularis.
No:999 - loading dose: a quantity higher than the average or maintenance dose, used at the initiation of therapy to rapidly establish a desired level of the drug

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