| amphoteric electrolyte | An electrolyte that can either give up or take on a hydrogen ion and can thus behave as either an acid or a base. Synonym: ampholyte. (05 Mar 2000) |
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| water-electrolyte balance | The state of the body in relation to the intake and excretion of water and electrolytes, particularly sodium and potassium. It exists in a metabolic balance internally with body fluid compartments, total body water, blood volume, extracellular space, etc., externally through sensible and insensible sweating. The hypothalamus controls water balance. (12 Dec 1998) |
| water-electrolyte imbalance | Disturbances in the body's water-electrolyte metabolism. (12 Dec 1998) |
| electrolyte | <chemistry> A substance that dissociates into ions when fused or in solution and thus becomes capable of conducting electricity, an ionic solute. Origin: Gr. Lytos = that may be dissolved (18 Nov 1997) |
| electrolyte imbalance | <biochemistry> An inappropriate level of a blood electrolyte. Typically this relates to abnormal level of sodium, potassium or chloride in the bloodstream. (27 Sep 1997) |
| electrolyte metabolism | The chemical changes that various essential minerals (e.g., sodium, potassium, calcium, magnesium) undergo in the tissues. (05 Mar 2000) |
| electrolyte profile | <biochemistry> A test which includes the measurement of the sodium, potassium, C02 and chloride concentrations in venous blood. (27 Sep 1997) |
| electrolyte solution | <chemistry> A solution containing charged atoms or molecules. (09 Oct 1997) |
| affective personality disorder | A disturbance of feelings or mood expressed as a milder form of depression and related emotional features that colour the whole psychic life and for which psychosocial stressors are believed to play the major role. (05 Mar 2000) |
| alcohol amnestic disorder | <psychiatry> A mental disorder with brain damage characterised by amnesia, compensatory confabulation, disturbance of attention, and peripheral neuritis. It is usually associated with alcoholism and dietary deficiencies. (12 Dec 1998) |
| antisocial personality disorder | <psychiatry> An individual who engages in deviant behaviour with lack of remorse. (13 Jan 1998) |
| asthenic personality disorder | A personality type characterised by low energy level, easy fatigability, incapacity for enjoyment, lack of enthusiasm, and oversensitivity to physical and emotional stress. When appearing in marked form it becomes a psychological disorder (asthenic personality disorder), also called dependent personality. Synonym: asthenic personality disorder, dependent personality disorder. (05 Mar 2000) |
| attention deficit disorder | An inability to control behaviour due to difficulty in processing neural stimuli. (12 Dec 1998) |
| attention deficit disorder with hyperactivity | A behaviour disorder originating in childhood in which the essential features are signs of developmentally inappropriate inattention, impulsivity, and hyperactivity. Although most individuals have symptoms of both inattention and hyperactivity-impulsivity, one or the other pattern may be predominant. The disorder is more frequent in males than females. Onset is in childhood. Symptoms often attenuate during late adolescence although a minority experience the full complement of symptoms into mid-adulthood. (12 Dec 1998) |
| attention deficit hyperactivity disorder | <psychiatry> A condition seen in children where there is increased motor activity in association with poor attention span. Often treated with amphetamine medications. (27 Sep 1997) |