| RLO | residual lymphatic output |
|---|---|
| RN | radionuclide; red nucleus; Registered Nurse; registry number; residual nitrogen; reticular nucleus |
| ROC | receiver operating characteristic; receptor-operated channels; relative operating characteristic; re... |
| RRF | residual renal function |
| RU | radioulnar; rat unit; reading unit; residual urine; resin uptake; resistance unit; retrograde urogra... |
| functional psychosis | An obsolete term once used to denote schizophrenia and other severe mental disorders before modern science discovered a biological component to some aspects of each of the disorders. (05 Mar 2000) |
|---|---|
| functional refractory period | The minimum interval possible between successive responses to stimulation of a tissue. (05 Mar 2000) |
| functional spasm | Professional neurosis, a disorder of a group of muscles used chiefly in one's occupation, marked by the occurrence of spasm, paresis, or incoordination on attempt to repeat the habitual movements; e.g., writer's cramp; probably a focal dystonia. Synonym: craft palsy, functional spasm. (05 Mar 2000) |
| functional sphincter | A section of a tubular structure that acts as if it has a band of circular muscle to constrict it, although no such specialised structure can be found on morphological examination. Synonym: functional sphincter, radiological sphincter. (05 Mar 2000) |
| functional splint | The joining of two or more teeth into a rigid unit by means of fixed restorations that cover all or part of the abutment teeth. (05 Mar 2000) |
| functional stricture | A stricture due to localised spasm of muscular fibres in the wall of the canal. Synonym: functional stricture, temporary stricture. (05 Mar 2000) |
| functional terminal innervation ratio | The number of muscle fibres divided by the number of axons that innervate them. (05 Mar 2000) |
| functional visual loss | An apparent loss of visual acuity or visual field with no substantiating physical signs; often due to a natural concern about visual loss combined with suggestibility and a fear of the worst; best treated with reassurance. (05 Mar 2000) |
| functional vocal fatigue | Difficult or abnormal voice production, the enunciation being too high, too loud, or too hard. Synonym: functional vocal fatigue. Origin: phon-+ G. Astheneia, weakness (05 Mar 2000) |