Double helix
Double helix: The structure of DNA, in which two strands of DNA spiral about each other.
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- Double pneumonia
Double pneumonia: Pneumonia in both lungs. Also known as bilateral pneumonia.
- Double-blind
Double-blind: Term used to described a study in which both the investigator or the participant are blind to (unaware of) the nature of the treatment the participant is receiving. Double-blind trials are thought to produce objective results, since the expectations of the researcher and the participant about the experimental treatment such as a drug do […]
- Double-blinded study
Double-blinded study: A medical study in which both the subjects participating and the researchers are uaware of when the experimental medication or procedure has been given. Double-blinded studies are often used when initial studies shows particular promise.
- Double-jointed
Double-jointed: Popular term to describe a joint that is unusually flexible. Medically, the joint is said to be hyperflexible, hyperextensible, or hypermobile. People whose fingers are hypermobile have higher rates of arthritis in the hands.
- Douching
Using water or a medicated solution to clean the vagina and cervix or any other body cavity or part.