Columbia Encyclopedia

Search results

500 results found

dentistry

(Encyclopedia)dentistry, treatment and care of the teeth and associated oral structures. Dentistry is mainly concerned with tooth decay, disease of the supporting structures, such as the gums, and faulty positionin...

sexually transmitted disease

(Encyclopedia)sexually transmitted disease (STD) or venereal disease, term for infections acquired mainly through sexual contact. Five diseases were traditionally known as venereal diseases: gonorrhea, syphilis, an...

Pan-American Health Organization

(Encyclopedia)Pan-American Health Organization, inter-American health organization. It was established in 1902 as the International Sanitary Bureau; the present name was adopted in 1958. Its members include all the...

cryptosporidium

(Encyclopedia)cryptosporidium krĭpˌtōspərĭdˈēəm [key], genus of protozoans having at least four species; they are waterborne parasites that cause the disease cryptosporidiosis. One of the species appears to...

Montreal, University of

(Encyclopedia)Montreal, University of, at Montreal, Que., Canada; French language; established 1876 as a branch of Laval Univ. It became an autonomous university in 1919. It has faculties of arts and sciences, grad...

accessory

(Encyclopedia)accessory, in criminal law, a person who, though not present at the commission of a crime, becomes a participator in the crime either before or after the fact of commission. An accessory before the fa...

coast guard

(Encyclopedia)coast guard, special naval force assigned to seaboard duties. Its primary responsibilities usually consist in suppressing contraband trade and aiding vessels in distress. The British coast guard was e...

blood test

(Encyclopedia)blood test, examination of blood routinely or as an aid in diagnosing a suspected disease. Tests may be performed on whole blood or on the plasma portion only. Blood typing identifies the proteins at ...

Consumers' Union

(Encyclopedia)Consumers' Union, product testing and rating organization founded (1936) to provide consumers with information and counsel regarding major retail goods and services. Through its monthly Consumer Repor...

Bernard, Claude

(Encyclopedia)Bernard, Claude klōd bĕrnärˈ [key], 1813–78, French physiologist. He turned from literature to medicine, working in Paris under Magendie and teaching at the Collège de France and at the Sorbonn...

Browse by Subject