| C1a | activated first component of complement |
|---|---|
| C1 INH | inhibitor of first component of complement |
| C2 | second cervical nerve; second cervical vertebra; second component of complement |
| C2a | activated second component of complement |
| C3 | third cervical nerve; third cervical vertebra; third component of complement |
| 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) |
| insect control | The reduction or regulation of the population of noxious, destructive, or dangerous insects through chemical, biological, or other means. (12 Dec 1998) |
| internal-external control | A general principle that man's attempts to control his personal environment are influenced by internal or external factors. (12 Dec 1998) |
| tick control | Chemical, biological, or medical measures designed to prevent the spread of ticks or the concomitant infestations which result in tick-borne diseases. It includes the veterinary as well as the public health aspects of tick and mite control. (12 Dec 1998) |
| time-varied gain control | In ultrasonography, an increase in receiver gain with time to compensate for loss in echo amplitude with depth, usually due to attenuation. Synonym: attenuation compensation, depth compensation, time compensation gain, time-compensated gain, time-varied gain control, time-varied gain. (05 Mar 2000) |
| tonic control | Nerve impulses that maintain a normal tonus or level of activity in muscle or other effector organs. (05 Mar 2000) |
| topographical control | Those phenomena of cell behaviour in which the shape of the local substrate of the cell affects its behaviour. See: contact guidance. (18 Nov 1997) |