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15 Topic Pages Found in Health and starting with the letter L
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What Is It? Laryngitis is an inflammation or infection of the voice box (larynx) and the vocal cords it contains. Laryngitis makes the vocal cords

Open Larynx

( lâr'ĭngks ), organ of voice in mammals. Commonly known as the voice box, the larynx is a tubular chamber about 2 in. (5 cm) high, consisting of

Open laxative

Drugs or other substances used to treat CONSTIPATION . Also called aperients or purgatives, laxatives are classified according to their mode of

Open Lead Poisoning
Lead Poisoning

or plumbism plŭm'bĭz´´əm , intoxication of the system by organic compounds containing lead . These enter the body by respiration (of dust, fumes, or

Legionnaire's Disease

In the last few decades, Legionnaire’s disease has emerged as an important cause of human morbidity and mortality and has been implicated in a wide

Open Leucocytes

One of a number of different cells that play a part in the body's defences and give immunity against disease. Some (neutrophils and macrophages )

Open leukemia

( lukē'mēə ), cancerous disorder of the blood-forming tissues (bone marrow, lymphatics, liver, spleen) characterized by excessive production of

Open Life expectancy
Life expectancy

Life expectancy for any given age may be defined as the average number of additional years of life persons of that age may expect to live, under the


largest glandular organ of the body, weighing about 3 lb (1.36 kg). It is reddish brown in color and is divided into four lobes of unequal size and

Open Liver disease
Liver disease

The liver is a vital organ in the body that plays a central role in human health including detoxification of ingested substances, lipid metabolism,