| RaONC | radiation oncology |
|---|---|
| RAP | recurrent abdominal pain; regression-associated protein; renal artery pressure; resident assessment protocol; rheumatoid arthritis precipitin; right atrial pressure |
| RAPD | Relative Afferent Pupillary Defect |
| RAPD | relative afferent pupillary defect |
| RAPK | reticulate acropigmentation of Kitamura |
| RAPM | refractory anemia with partial myeloblastosis |
| RAPO | rabbit antibody to pig ovary |
| RAPs | radiologists, anesthesiologists, and pathologists |
| RAR | rapidly adapting receptor; rat insulin receptor; retinoic acid receptor; right arm reclining; right arm recumbent |
| RARA | retinoic acid receptor alpha |