| PNI | peripheral nerve injury; postnatal infection; prognostic nutritional index |
|---|---|
| PTI | pancreatic trypsin inhibitor; persistent tolerant infection; Pictorial Test of Intelligence; placent... |
| RRI | recurrent respiratory infection; reflex relaxation index; relative response index |
| RRIS | recurrent respiratory infection syndrome |
| RTI | respiratory tract infection; reverse transcriptase inhibition |
| facility regulation and control | Formal voluntary or governmental procedures and standards required of hospitals and health or other facilities to improve operating efficiency, and for the protection of the consumer. (12 Dec 1998) |
|---|---|
| feedback control | The regulation of the activity of an enzyme by one of its products. (09 Oct 1997) |
| feedforward control | The process in which one of the products of a metabolic pathway induces an enzyme which participates in the metabolic pathway to act. (09 Oct 1997) |
| forms and records control | A management function in which standards and guidelines are developed for the developing, maintaining, and handling of forms and records. (12 Dec 1998) |
| locus control region | A regulatory region first identified in the human beta-globin locus but subsequently found in other loci. The region is believed to regulate transcription by opening and remodeling chromatin structure. It may also have enhancer activity. (12 Dec 1998) |
| locus of control | A theoretical construct designed to assess a person's perceived control over his/her own behaviour; classified as internal if the person feels in control of events, external if others are perceived to have that control. (05 Mar 2000) |