Columbia Encyclopedia
Search results
500 results found
endocrine system
(Encyclopedia)endocrine system ĕnˈdəkrĭn [key], body control system composed of a group of glands that maintain a stable internal environment by producing chemical regulatory substances called hormones. The end...hypersensitivity
(Encyclopedia)hypersensitivity, heightened response in a body tissue to an antigen or foreign substance. The body normally responds to an antigen by producing specific antibodies against it. The antibodies impart i...estrogen
(Encyclopedia)CE5 estrogen ĕsˈtrəjən [key], any one of a group of hormones synthesized by the reproductive organs and adrenal glands in females and, in lesser quantities, in males. The estrogens cause the th...Ngugi wa Thiong'o
(Encyclopedia)Ngugi wa Thiong'o ĕngo͞oˈgē wä tē-ŏngˈgō [key] or James Ngugi, 1938–, Kenyan writer, acclaimed as East Africa's foremost novelist. He studied at universities in Uganda and England. His firs...Chabrol, Claude
(Encyclopedia)Chabrol, Claude klōd shäbrōlˈ [key], 1930–2010, French filmmaker, b. Paris, attended Univ. of Paris. One of the creators of the French “new wave” cinema of the 1950s and 60s, he and such oth...space medicine
(Encyclopedia)space medicine, study of the medical and biological effects of space travel on living organisms. The principal aim is to discover how well and for how long humans can withstand the extreme conditions ...acetaminophen
(Encyclopedia)acetaminophen əsētˌəmĭnˈəfĭn [key], an analgesic and fever-reducing medicine. It is an active ingredient in many over-the-counter medicines, including Tylenol and Midol. Introduced in the earl...López Velarde, Ramón
(Encyclopedia)López Velarde, Ramón rämōnˈ lōˈpās vālärˈᵺā [key], 1888–1921, Mexican poet. One of the major poets of Mexico, he deeply influenced the work of later poets, notably Xavier Villaurrutia....kosher
(Encyclopedia)kosher [Heb.,=proper, i.e., fit for use], in Judaism, term used in rabbinic literature to mean what is ritually correct, but most widely applied to food that is in accordance with dietary laws based o...Johnson, Uwe
(Encyclopedia)Johnson, Uwe üˈvā yônˈzôn [key], 1934–84, German novelist. Johnson's works explore the complex effects on the average German of the postwar division of their nation, both halves of which he se...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-