| MG | Marcus Gunn [pupil]; margin; medial gastrocnemius [muscle]; membranous glomerulonephritis; menopausa... |
|---|---|
| MGMA | Medical Group Management Association |
| MHG | metropolitan health group |
| MNSs | a blood group system consisting of groups M, N, and MN |
| MRD | maximum rate of depolarization; measles-rindenpest-distemper [virus group]; medical records departme... |