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serum sickness

(Encyclopedia)serum sickness, hypersensitive response that occurs after injection of a large amount of foreign protein. The condition is named for the serum taken from horses or other animals immunized against a pa...

Rush, Benjamin

(Encyclopedia)Rush, Benjamin, 1745?–1813, American physician, signer of the Declaration of Independence, b. Byberry (now part of Philadelphia), Pa., grad. College of New Jersey (now Princeton, 1760), M.D. Univ. o...

Nipah virus

(Encyclopedia)Nipah virus, RNA virus of the genus Henipavirus, family Paramyxoviridae, that rarely infects humans but can cause deadly encephalitis. In humans, the virus typically incubates for 4 to 14 days before ...

Perry, Oliver Hazard

(Encyclopedia)Perry, Oliver Hazard, 1785–1819, American naval officer, b. South Kingstown, R.I.; brother of Matthew Calbraith Perry. Appointed a midshipman in 1799, he served in the Tripolitan War, was promoted t...

nonsteroidal anti-inflammatory drug

(Encyclopedia)nonsteroidal anti-inflammatory drug, a drug that suppresses inflammation in a manner similar to steroids, but without the side effects of steroids; commonly referred to by the acronym NSAID ĕnˈsĕd ...

Benalcázar, Sebastián de

(Encyclopedia)Benalcázar or Belalcázar, Sebastián de sābästyänˈ dā bānälkäˈthär, bāläl– [key], c.1479–1551, Spanish conquistador. After accompanying Columbus on his third voyage (1498), Benalcáz...

Southampton, Henry Wriothesley, 3d earl of

(Encyclopedia)Southampton, Henry Wriothesley, 3d earl of rŏtˈslē [key], 1573–1624, English nobleman and patron of letters. He succeeded to his title in 1581, was educated at Cambridge, and gained favor at the ...

mosquito

(Encyclopedia)mosquito məskēˈtō [key], small, long-legged insect of the order Diptera, the true flies. The females of most species have piercing and sucking mouth parts and apparently they must feed at least on...

Guayaquil

(Encyclopedia)Guayaquil gwīäkēlˈ [key], city, capital of Guayas prov., W Ecuador, on the Guayas River near ...

allergy

(Encyclopedia)allergy, hypersensitive reaction of the body tissues of certain individuals to certain substances that, in similar amounts and circumstances, are innocuous to other persons. Allergens, or allergy-caus...