| FR | failure rate; film-screen radiograph; fasciculus retroflexus; febrile reaction; feedback regulation;... |
|---|---|
| FRCD | Fellow of the Royal College of Dentists; fixed ratio combination drug |
| VOO | ventricular asynchronous (competitive, fixed-rate) [pacemaker] |
| fixed partial denture | A restoration of one or more missing teeth which cannot be readily removed by the patient or dentist; it is permanently attached to natural teeth or roots which furnish the primary support to the appliance. Synonym: bridge. (05 Mar 2000) |
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| fixed pupil | A stationary pupil unresponsive to all stimuli. (05 Mar 2000) |
| fixed-rate pacemaker | An artificial pacemaker that emits electrical stimuli at a constant frequency. (05 Mar 2000) |
| fixed rate pulse generator | A generator in which the rate of discharge is independent of the natural activity of the heart. Synonym: fixed rate pulse generator. (05 Mar 2000) |
| fixed torticollis | Persistent contracture of cervical muscles on one side. (05 Mar 2000) |
| fixed virus | Rabies virus whose virulence for rabbits has been stabilised by numerous passages through this experimental host. See: street virus. (05 Mar 2000) |