Antiandrogen: A drug that blocks the action of androgens (male sex hormones). Antiandrogens are sometimes used in the treatment of prostate cancer. The antiandrogens currently available include flutamide (Eulexin), bicalutamide (Casodex), and nilutamide (Nilandron).
- Antiatherogenic mutation
Antiatherogenic mutation: A genetic mutation that protects against atherogenesis, the formation of atheromas (plaques) in arteries. Antiatherogenic mutations include CETP deficiency (cholesterol ester transfer protein deficiency) and familial hypobetalipoproteinemia.
Antibacterial: Anything that destroys bacteria or suppresses their growth or their ability to reproduce. Heat, chemicals such as chlorine, and antibiotic drugs all have antibacterial properties. Many antibacterial products for cleaning and handwashing are sold today. Such products do not reduce the risk for symptoms of viral infectious diseases in otherwise healthy persons. This does […]
Antibiotic: A drug used to treat bacterial infections. Antibiotics have no effect on viral infections. Originally, an antibiotic was a substance produced by one microorganism that selectively inhibits the growth of another. Synthetic antibiotics, usually chemically related to natural antibiotics, have since been produced that accomplish comparable tasks. In 1926, Alexander Fleming discovered penicillin, a […]
- Antibiotic resistance
The ability of bacteria and other microorganisms to resist the effects of an antibiotic to which they were once sensitive. Antibiotic resistance is a major concern of overuse of antibiotics. Also known as drug resistance.
- Antibiotic-resistant tuberculosis
Antibiotic-resistant tuberculosis: See: Tuberculosis, antibiotic-resistant.