| negative control | Regulation of an enzyme activity by an inhibitor of that enzyme or regulation of a protein by repression of transcription. (05 Mar 2000) |
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| stimulus control | The use of conditioning techniques to bring the target behaviour of an individual under environmental control. See: classical conditioning. (05 Mar 2000) |
| delusion of control | Delusion of being controlled, a delusion in which one experiences one's feelings, impulses, thoughts, or actions as not one's own, but as being imposed on by some external force. Synonym: delusion of passivity. (05 Mar 2000) |
| synergic control | Impulses transmitted from the cerebellum regulating the muscular activity of the synergic units of the body. (05 Mar 2000) |
| drug and narcotic control | Control of drug and narcotic use by international agreement, or by institutional systems for handling prescribed drugs. This includes regulations concerned with the manufacturing, dispensing, approval (drug approval), and marketing of drugs. (12 Dec 1998) |
| idiodynamic control | Nervous impulses from the medulla that preserve the normal trophic condition of the muscles. (05 Mar 2000) |
| impulse control disorder | A class of mental disorder's characterised by an individual's failure to resist an impulse to perform some act harmful to himself or to others; includes pathological gambling, pedophilia, kleptomania, pyromania, trichotillomania, intermittent and isolated explosive disorder's. (05 Mar 2000) |
| impulse control disorders | Disorders whose essential features are the failure to resist an impulse, drive, or temptation to perform an act that is harmful to the individual or to others. Individuals experience an increased sense of tension prior to the act and pleasure, gratification or release of tension at the time of committing the act. (12 Dec 1998) |
| impurity control | <radiobiology> Processes which reduce or control the level of impurities in a plasma, and thereby improve its quality. See: wall conditioning. (09 Oct 1997) |
| quality control | In biotechnology, quality control is essential to ensure purified protein pharmaceuticals are indeed pure and that they are intact and maintain their biological activity. (14 Nov 1997) |
| quality control chart | A chart illustrating the allowable limits of error in laboratory test performance, the limits being a defined deviation from the mean of a control serum, most commonly ±2 SD. See: quality control. (05 Mar 2000) |
| infection control | Programs of disease surveillance, generally within health care facilities, designed to investigate, prevent, and control the spread of infections and their causative microorganisms. (12 Dec 1998) |
| infection control, dental | Efforts to prevent and control the spread of infections within dental health facilities or those involving provision of dental care. (12 Dec 1998) |
| infection control nurse | A registered nurse with additional education in the monitoring and prevention of nosocomial infections in the client population in an agency. Synonym: infection control nurse. (05 Mar 2000) |
| infection control practitioners | Physicians or other qualified individuals responsible for implementing and overseeing the policies and procedures followed by a health care facility to reduce the risk of infection to patients and staff. (12 Dec 1998) |