Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «D»:
Drip: In medical usage, a drip is not a dull, unattractive person but a device for administering a fluid drop-by-drop into a vein. It is an intravenous (IV) fluid dripping into a vein, an intravenous fluid drip, a solution (usually a balanced electrolyte solution) administered directly into the veno...
Drop attack: See: Atonic seizure....
Drop seizure: See: Atonic seizure....
Dropsy: An old term for the swelling of soft tissues due to the accumulation of excess water.
In years gone by, a person might have been said to have
dropsy. Today one would be more descriptive and specify the cause. Thus, the
person might have edema due to congestive heart failure.
Edema is o...
Drosophila: The fruit fly. One species, Drosophila melanogaster, is a favorite model organism in genetics and developmental biology. See also: Drosophila genome....
Drosophila genome: All of the genetic information contained in Drosophila, the fruitfly.
The genomes of particular nonhuman organisms such as Drosophila have been studied for a number of reasons including the need to improve sequencing and analysis techniques. These nonhuman genomes also provide p...
DRRS: See: Okihiro syndrome....
Drug activity: A measure of the physiological response a drug
produces. A less active drug produces less response (and visa versa)....
Drug caution codes
Drug caution codes: Abbreviations on medications that indicate caution. While not a part of the historical heritage of ancient prescription abbreviations, drug caution codes provide very valuable warnings.
They include both universal and specific caution codes:
Universal caution codes:
D = drowsin...
Drug Enforcement Administration (DEA)
Drug Enforcement Administration (DEA): Every prescription written in the United States bears a DEA number, that of the prescribing doctor, the DEA being the Drug Enforcement Administration of the U.S. Department of Justice.
Historically, the DEA's roots go back to the founding in 1930 of the Federal...
Drug resistance: The ability of bacteria and other
microorganisms to withstand a drug to which they were once sensitive and were once slowed in growth or killed outright. ...
Drug test: An examination of biologic material (such as urine, hair,
saliva, or sweat) to detect the presence of specific drugs and determine prior
drug use. Drug tests may be performed to detect illegal drug use as well as the
use of drugs and substances not permitted in specific occupations or ...
Drug, ACE-inhibitor: A drug that inhibits ACE
converting enzyme) which is important to the formation of
angiotensin II. Angiotensin II causes arteries in the body to
constrict and thereby raises the blood pressure. ACE inhibitors lower
the blood pressure by inhibiting the
Drug, anti-infective: Something capable of acting
against infection, by inhibiting the spread of an infectious agent or
by killing the infectious agent outright.
Anti-infective is a general term that encompasses antibacterials,
antibiotics, antifungals, antiprotozoans and antivirals....
Drug, antibiotic: A drug used to treat bacterial infections.
The original definition of an antibiotic was a substance produced by one microorganism that selectively inhibits the growth of another microorganism. However, wholly synthetic antibiotics (usually chemically related to natural antibiotics)...