American Psychiatric Association: A medical specialty society with over 35,000 US and international member physicians who “work together to ensure humane care and effective treatment for all persons with mental disorder, including mental retardation and substance-related disorders. It is the voice and conscience of modern psychiatry. Its vision is a society that has available, accessible quality psychiatric diagnosis and treatment.” The American Psychiatric Association (APA) is the oldest national medical specialty society in the US.
- American Sign Language
Abbreviated ASL. A complete, complex language that employs signs made with the hands and other movements, including facial expressions and postures of the body, used primarily by people in North America who are deaf.
- American Type Culture Collection (ATCC)
American Type Culture Collection (ATCC): Although little known to the general public, the American Type Culture Collection (ATCC) is a key resource for medical research. It is the world’s premier biological culture repository. The ATCC assures medical and other biological scientists a reliable source of over 60,000 authenticated, viable cultures of: Algae & Protozoa Bacteria […]
Americium: Symbol: Am. A man-made metallic element whose isotopes Am-237 through Am-246 are all radioactive. Americium must be handled with great care to avoid personal contamination. Trace quantities of americium are widely used in smoke detectors. It is also used in bone mineral analysis and as a radiation source for radiotherapy. Americium was discovered in […]
- Ames test
Ames test: A test developed in 1974 by Bruce N. Ames for identifying possible carcinogens by studying their mutagenic effect on bacteria. The Ames test is widely used test to detect possible chemical carcinogens. It is based on mutagenicity in Salmonella bacteria.
- Ames, Bruce N.
Ames, Bruce N.: American biochemist and geneticist (1928-) who developed the Ames test for chemical mutagens. Ames attended Cornell University from 1946 to 1950, receiving his B.A. degree in chemistry/biochemistry. He then moved to the California Institute of Technology for his graduate study under Herschel K. Mitchell, a former postdoctoral fellow of George Beadle, in […]