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34 Topic Pages Found in Health & Medicine and starting with the letter L
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Open Lacrosse

( ləkrôs' ), ball and goal game usually played outdoors by two teams of 10 players each on a field 60 to 70 yd (54.86 to 64.01 m) wide by 110 yd

Lactose Intolerance

Lactose intolerance is the inability of a person to digest lactose, the predominant sugar in dairy products. It affects people by causing

Landsteiner, Karl (1868 - 1943)

Abstract (1868-1943) Austrian-American pathologist and immunologist who discovered the human blood groups. keywords ABO blood groups hapten azoprotein


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

Lauterbur, Paul Christian (1929 - 2007)

US chemist who was awarded the Nobel Prize for Physiology or Medicine in 2003 for his contributions to the development of magnetic resonance imaging

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

Lederberg, Joshua

(1925-) Joshua Lederberg, American microbiologist, winner of the Nobel Prize in Physiology or Medicine in 1958, played a major role in the creation

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