| vacuum pan | A device for growing crystals from solutions by gradually lowering the pressure within the sealed container holding the liquid. (09 Oct 1997) |
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| pan- | <prefix> All, entire, everything, everywhere. It is used correctly when affixed to words derived from Greek roots. Origin: G. Pas, all (21 Jun 2000) |
| pan american health organization | <organisation> WHO regional office for the americas acting as a coordinating agency for the improvement of health conditions in the hemisphere. The four main functions are: control or eradication of communicable diseases, strengthening of national and local health services, education and training, and research. (21 Jun 2000) |
| pan paniscus | The pygmy chimpanzee, a species of the genus pan, family pongidae. Its common name is bonobo, which was once considered a separate genus by some; others considered it a subspecies of pan troglodytes. Its range is confined to the forests of the central zaire basin. Despite its name, it is often of equal size to p. Troglodytes. (12 Dec 1998) |
| pan troglodytes | The common chimpanzee, a species of the genus pan, family pongidae. It lives in africa, primarily in the tropical rainforests. There are a number of recognised subspecies. (12 Dec 1998) |
| anti-anxiety agents | Agents that alleviate anxiety, tension, and neurotic symptoms, promote sedation, and have a calming effect without affecting clarity of consciousness or neurologic conditions. Some are also effective as anticonvulsants, muscle relaxants, or anaesthesia adjuvants. Adrenergic beta-antagonists are commonly used in the symptomatic treatment of anxiety but are not included here. Substances with a benzodiazepine ring structure widely used to treat anxiety and neuroses. Drugs in this class also generally have sedative or weak hypnotic properties and may be effective as muscle relaxants, anticonvulsants, and anaesthesia adjuvants. (12 Dec 1998) |
| anxiety | <psychology> The unpleasant emotional state consisting of psychophysiological responses to anticipation of unreal or imagined danger, ostensibly resulting from unrecognised intrapsychic conflict. Physiological concomitants include increased heart rate, altered respiration rate, sweating, trembling, weakness and fatigue, psychological concomitants include feelings of impending danger, powerlessness, apprehension and tension. (18 Nov 1997) |
| anxiety attack | An acute episode of anxiety. (05 Mar 2000) |
| anxiety, castration | Anxiety due to fantasied injuries to or loss of the genitals. (12 Dec 1998) |
| anxiety disorders | Disorders in which anxiety (persistent feelings of apprehension, tension, or uneasiness) is the predominant disturbance. (12 Dec 1998) |
| anxiety dream | A dream (or nightmare) in which morbid fear and anxiety form an important part. (05 Mar 2000) |
| anxiety hysteria | Hysteria characterised by manifest anxiety. (05 Mar 2000) |
| anxiety neurosis | Chronic abnormal distress and worry to the point of panic followed by a tendency to avoid or run from the feared situation, associated with overaction of the sympathetic nervous system. (05 Mar 2000) |
| anxiety reaction | A sudden bout of anxiety that is often accompanied by the features of hyperventilation (tingling around mouth and in fingertips, rapid breathing, faintness or fainting). (27 Sep 1997) |
| anxiety, separation | Anxiety experienced by an individual upon separation from a person or object of particular significance to him. (12 Dec 1998) |