| Study of the factors that influence the movement of drugs throughout the body is called pharmacokinetics, which includes the absorption, distribution, localization in tissues, biotransformation, and excretion of drugs. The study of the actions of the drugs and their effects is called pharmacodynamics. Before a drug can be effective, it must be... |
| in merchandising, retail store that sells products at prices lower than those asked by traditional retail outlets. Some, like department stores, offer wide assortments of goods; others specialize in such merchandise as jewelry, electronic equipment, or electrical appliances. Food stores also have been operated on the discount principle. |
| any drug that mimics the action of the neurotransmitter acetylcholine. See cholinergic drug. |
| In Great Britain the money market consists of a number of linked markets, all of them concentrated in London. The 12 specialist banks known as discount houses have the longest history as money market institutions; they have their origin in the London bill broker who in the early 19th century made the market in inland commercial bills. By... |
| The purpose of using drugs is to relieve symptoms, treat infection, reduce the risk of future disease, and destroy selected cells such as in the chemotherapeutic treatment of cancer. The best treatment, however, may not require a drug at all. Recognizing that no effective medication exists is just as important as knowing which one to select. |