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urine

(Encyclopedia)urine, clear, amber-colored fluid formed by the kidneys that carries metabolic wastes out of the body (see urinary system). As the blood circulates it collects excretory products from the tissues and ...

hagfish

(Encyclopedia)hagfish, primitive, jawless marine fish of the family Myxinidae, of worldwide distribution in cold and temperate waters. Its rudimentary skeleton, of cartilage rather than bone, has a braincase, but n...

crow, in zoology

(Encyclopedia)crow, partially migratory black bird, genus Corvus, of the same family as the raven, the magpie, the jay, and the rook and the jackdaw of Europe. The American, or common, crow, C. brachyrhynchos, abou...

Child, Julia

(Encyclopedia)Child, Julia, 1912–2004, American cooking teacher, author, and television personality, b. Pasadena, Calif., as Julia Carolyn McWilliams. In the early 1940s both she and her husband-to-be, Paul Child...

peccary

(Encyclopedia)peccary pĕkˈərē [key], small wild pig, genus Tayassu, the only pig native to the Americas. Although similar in appearance to Old World pigs, peccaries are classified in a family of their own becau...

beef

(Encyclopedia)beef, flesh of cattle prepared for food. It has become one of the chief products of the meatpacking industry and is sold either chilled, frozen, or cured. The leading beef consumers, as well as export...

Orphic Mysteries

(Encyclopedia)Orphic Mysteries or Orphism, religious cult of ancient Greece, prominent in the 6th cent. b.c. According to legend Orpheus founded these mysteries and was the author of the sacred poems from which the...

arrhythmia

(Encyclopedia)arrhythmia ārĭᵺˈmēə [key], disturbance in the rate or rhythm of the heartbeat. Various arrhythmias can be symptoms of serious heart disorders; however, they are usually of no medical significan...

genetic testing

(Encyclopedia)genetic testing, medical screening for genetic disorders, by examining either a person's DNA directly or a person's biochemistry or chromosomes for indirect evidence. Testing may be done to identify a...

Greengard, Paul

(Encyclopedia)Greengard, Paul, 1925–2019, American neuroscientist, b. New York City, Ph.D. Johns Hopkins, 1953. Greengard was on the staff at Geigy Research Laboratories (1959–67) and a professor at the Albert ...