| RBTNL | rhombotin-like |
|---|---|
| RBV | right brachial vein |
| RBW | relative body weight |
| RBZ | rubidazone |
| RC | an electronic circuit containing a resistor and capacitor in series; radiocarpal; reaction center; recrystallization; red cell; red cell casts; red corpuscle; Red Cross; referred care; regenerated cellulose; rehabilitation counseling; residential care; respiration ceases; respiratory care; respiratory center; respiratory compensation; rest cure; retention catheter; retrograde cystogram; rib cage; root canal; routine cholecystography |
| Rc | conditioned response; receptor |
| RCA | Right Coronary Artery |
| RCA | red cell agglutination; relative chemotactic activity; renal cell carcinoma; right carotid artery; right coronary artery |
| RCAMC | Royal Canadian Army Medical Corps |
| rCBF | regional Cerebral Blood Flow |