| MNR | marrow neutrophil reserve |
|---|---|
| MPR | mannose 6-phosphate receptor; marrow production rate; massive preretinal retraction; maximum pulse r... |
| MRA | magnetic resonance angiography; main renal artery; marrow repopulation activity; medical record anal... |
| MRR | marrow release rate; maximum relation rate |
| MSC | marrow stromal cell; Medical Service Corps; Medical Staff Corps |