Columbia Encyclopedia

(Encyclopedia) Willis, Thomas, 1621–75, English physician and anatomist. He became professor at Oxford in 1660 and in 1666 established a practice in London. An authority on the brain and the nervous system, he dis...

(Encyclopedia) Baotou or Paotow both: bou-tō [key], city (1994 est. pop. 1,032,900), Inner Mongolian Autonomous Region, China. A port and major trade center on the Huang He (Yellow River), it is connected by rail w...

(Encyclopedia) Eskişehir ĕskēˈshĕhērˌ [key], city, capital of Eskişehir prov., W central Turkey. An ...

(Encyclopedia) Gaya gīˈə [key], city, Bihar state, E central India. The region is sacred to Buddhist and ...

(Encyclopedia) digitalis dĭjˌĭtălˈĭs [key], any of several chemically similar drugs used primarily to increase the force and rate of heart contractions, especially in damaged heart muscle. The effects of the d...

(Encyclopedia) sap, fluid in plants consisting of water and dissolved substances. Cell sap refers to this fluid present in the large vacuole, or cell cavity, that occupies most of the central portion of mature plant...

(Encyclopedia) Podolia pōdōˈlyə [key], region, SW Ukraine, separated in the south from Moldova by the Dniester and in the west from W Galicia by the Southern Buh. It borders on Volhynia in the north. Kamyanets-P...

(Encyclopedia) Orbiting Geophysical Observatory (OGO), series of six orbiting observatories (see observatory, orbiting) launched between 1964 and 1969 by the National Aeronautics and Space Administration (NASA) to s...

(Encyclopedia) biophysics, application of various methods and principles of physical science to the study of biological problems. In physiological biophysics physical mechanisms have been used to explain such biolog...

(Encyclopedia) Blades, Rubén ro͞obānˈ bläˈᵺās [key], 1948–, Panamanian singer, songwriter, band leader, and actor. He is a graduate (1972) of the Univ. of Panama law school and holds a masters degree (198...