Angry
Angry: Pertaining to anger, an emotional state that may range in intensity from mild irritation to intense fury and rage. Anger may have physical effects such as raising the heart rate, blood pressure and the levels of adrenaline and noradrenaline.
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- Anhedonia
Loss of the capacity to experience pleasure. The inability to gain pleasure from normally pleasurable experiences. Anhedonia is a core clinical feature of depression, schizophrenia, and some other mental illnesses. An anhedonic mother finds no joy from playing with her baby. An anhedonic football fan is not excited when his team wins. An anhedonic teenager […]
- Anhidrosis
Anhidrosis: Lack of sweating. Anhidrosis creates a dangerous inability to tolerate heat.
- Anaerobic
Anaerobic: Not requiring oxygen. Anaerobic bacteria, for example, do not require oxygen to grow.
- ANA
ANA: Antinuclear antibody, an unusual antibody directed against structures within the nucleus of the cell. ANAs are found in patients whose immune system is predisposed to cause inflammation against their own body tissues. Antibodies that are directed against one’s own tissues are referred to as autoantibodies. The propensity for the immune system to work against […]
- An-
An-: Prefix very much employed in medicine and all of the health sciences, indicating “not, without, or -less.” For example, the prefix “an” figures into these words: anemia (without blood), anophthalmia (no eye), anotia (no ear), anoxia (no oxygen). The “an-” usually becomes “a-” before a consonant as, for example, in alexia (not read), aphagia […]