| MRAS | main renal artery stenosis |
|---|---|
| MRBC | monkey red blood cell; mouse red blood cell |
| MRBF | mean renal blood flow |
| MRC | maximum recycling capacity; Medical Registration Council; Medical Research Council; Medical Reserve Corps; methylrosaniline chloride |
| MRCAS | medical robotics and computer-assisted surgery |
| MRCP | magnetic resonance cholangiopancreatography |
| MRD | maximum rate of depolarization; measles-rindenpest-distemper [virus group]; medical records department; minimal reacting dose; minimal renal disease; minimal residual disease |
| mrd | millirutherford |
| MRDD | mentally retarded/developmentally disabled [person] |
| MRDM | Malnutrition Related Diabetes Mellitus |