| MASH | mobile Army surgical hospital; multiple automated sample harvester |
|---|---|
| MAT | manual arts therapist; master of arts in technology; mean absorption time; medical assistance team (... |
| MCA | major coronary artery; Maternity Center Association; medical care administration; methylcholanthrene... |
| MCA/MR | multiple congenital anomaly/mental retardation [syndrome] |
| MCD | magnetic circular dichroism; mast-cell degranulation; mean cell diameter; mean of consecutive differ... |