Category: D
-
Double approach/avoidance conflict
In psychology, conflict instigated by the necessity of making a choice between two objects neither of which is wholly desirable or undesirable.
-
Dose-response curve
A graph showing the relationship between the size of a drug dose and the size of the response, dose-response relationship. A graph charting the effect of a specific dose of drug, chemical, or ionizing radiation. In radiology, also called survival curve.
-
Dose
A quantity or amount of a drug taken at a particular time, dosage. A measured quantity of a drug or radiation which is to be given to someone at one time. A short period of experiencing a minor illness (informal). An infection with a sexually transmitted disease (informal). The amount of medication that is administered…
-
Dorsiventral symmetry
Having distinct lower and upper surfaces.
-
Dorsal kyphosis
Round upper back, kyphosis.
-
Dorsalis pedis artery
The artery whose pulse is palpable on the dorsal surface of the foot. The supplies the medial foot and great toe.
-
Dormancy
In botany, a period of inactivity in bulbs, buds, seeds, and other plant organs. Temporary inactivity; e.g., a state of transiently reduced metabolic activity.
-
Doping
The use of ergogenic agents to artificially improve athletic performance. In sports, the illicit use of a drug or blood product by an athlete in an effort to improve performance.
-
Do pass
In politics, the affirmative recommendation made by a committee in sending a bill to the floor for additional action.
-
Dopamine hypothesis of schizophrenia
The theory that schizophrenia victims are oversensitive to the neurotransmitter dopamine and are therefore in a state of over arousal. Phenothiazines alleviate schizophrenia symptoms acting as a block to transmission.