| RP | Retrograde Pyelogram |
|---|---|
| RP | radial pulse; radiopharmaceutical; rapid processing [of film]; Raynaud phenomenon; reactive protein; readiness potential; recreation and passtime; rectal prolapse; refractory period; regulatory protein; relapsing polychondritis; reperfusion; replication protein; respiratory rate; rest pain; resting potential; resting pressure; retinitis pigmentosa; retrograde pyelogram; retroperitoneal; reverse phase; rheumatoid polyarthritis; ribonucleoprotein; ribose phosphate; ribosomal protein |
| Rp | pulmonary resistance |
| RP-HPLC | reverse phase-high performance liquid chromatography |
| RPA | Right Pulmonary Artery |
| RPA | radial photon apsorptiometry; replication protein A; resultant physiologic acceleration; reverse passive anaphylaxis; right pulmonary artery |
| RPase | ribonucleic acid polymerase |
| RPC | reactive perforating collagenosis; relapsing polychondritis; relative proliferative capacity |
| RPCF, RPCFT | Reiter protein complement fixation [test] |
| RPCGN | rapidly progressive crescenting glomerulonephritis |