| NYHA | New York Heart Association Heart Disease¿¡ ´ëÇÑ Functional Classification &nbs... |
|---|---|
| AIMD | abnormal involuntary movement disorder |
| AIMS | abnormal involuntary movement scale; aid for the impaired medical student; arthritis impact measurem... |
| Inv, inv | inversion; involuntary |
| invol | involuntary |
| AIMS | Abnormal Involuntary Movement Scale |
|---|---|
| AIM | abnormal involuntary movement |
| AChE | Acetylcholinesterase activity |
| ABC | Activity Based Costing |
| AI | Activity Index |
| sterilization, involuntary | Sexual sterilization without consent of the patient. (12 Dec 1998) |
|---|---|
| involuntary | 1. Not having will of the power of choice. 2. Not under the influence or control of the will; not voluntary; as, the involuntary movements of the body; involuntary muscle fibres. 3. Not proceeding from choice; done unwillingly; reluctant; compulsory; as, involuntary submission. Origin: L. Involuntarius. (28 Oct 1998) |
| involuntary guarding | Abdominal muscle spasm, caused by retroperitoneal inflammation, which cannot be willfully suppressed. (05 Mar 2000) |
| involuntary muscles | Muscle's not ordinarily under control of the will; except in the case of the heart, they are smooth (nonstriated) muscle's, innervated by the autonomic nervous system. (05 Mar 2000) |
| involuntary nervous system | <anatomy> Neurons that are not under conscious control, comprising two antagonistic components, the sympathetic and parasympathetic nervous systems. The autonomic nervous system regulates key functions including the activity of the cardiac (heart) muscle, smooth muscles (e.g., of the gut), and glands. The autonomic nervous system has two divisions: 1. The sympathetic nervous system that accelerates the heart rate, constricts blood vessels, and raises blood pressure. 2. The parasympathetic nervous system slows the heart rate, increases intestinal and gland activity, and relaxes sphincter muscles. (03 Jul 1999) |
| activity | 1. The state of being active, the ability to produce some effect, the extent of some function or action. 2. <chemistry> A thermodynamic quantity that represents the effective concentration of a solute in a nonideal solution, if concentrations are replaced by activities, the equations for equilibrium constants, electrode potentials, osmotic pressure, boiling point elevation, freezing point depression and vapour pressures of volatile solutes are converted from approximations that hold only for dilute solutions to exact equations that hold for all concentrations. The activity is equal to the product of the concentration and the activity coefficient, a dimensionless number measuring deviation from nonideality. Symbol a. The potential or true thermodynamic activity of a substance, as opposed to its molar concentration. 3. <radiobiology> The number of nuclear transitions or disintegrations occurring in a given quantity of radioactive material per unit time. The SI unit of activity is s-1. The special name for the unit of activity is becquerel (Bq). The previously used special unit of activity, curie (Ci), is being replaced by the becquerel. 1 Bq = 2.7 x E-11 Ci. 1 Ci = 3.7 x E10 Bq. 4. Optical activity. (16 Dec 1997) |
| activity coefficient | <chemistry> The factor by which the value of a concentration of a solute must be multiplied to determine its true thermodynamic activity. (06 May 1997) |
| activity cycles | Bouts of physical irritability or movement alternating with periods of quiescence. It includes biochemical activity and hormonal activity which may be cellular. These cycles are shorter than 24 hours and include sleep-wakefulness cycles and the periodic activation of the digestive system. (12 Dec 1998) |
| activity, drug | A measure of the physiological response a drug produces in the body. A less active drug produces less response (and visa versa). (12 Dec 1998) |
| blocking activity | The repression or elimination of electrical activity in the brain by the arrival of a sensory stimulus. (05 Mar 2000) |
| blood bactericidal activity | Native bactericidal property of blood due to normally occurring antibacterial substances such as beta lysin, leukin, etc. (12 Dec 1998) |
| melanoma growth stimulatory activity | Cytokine of the C X C subfamily. Potent mitogen. Activates and is chemotactic for, neutrophils. (18 Nov 1997) |
| water activity | <chemistry> An expression of the relative availability of water in a substance. Pure water has an water activity of 1.000. The water activity of a solution is one-hundredth its relative humidity. (09 Oct 1997) |
| motor activity | The physical activity of an organism as a behavioural phenomenon. (12 Dec 1998) |
| complement haemolytic activity assay | Usual screening assay for complement. Dilutions of the serum to be tested are added to antibody-coated erythrocytes and the percentage of lysis is measured. The values are expressed by ch50, haemolytic complement units per milliliter, which is the dilution of serum required to lyse 50 percent of the erythrocytes in the assay. (12 Dec 1998) |
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