| mc-hr | millicurie-hour |
|---|---|
| mc/s | megacycles per second |
| MCA | Middle Cerebral Artery |
| MCA | major coronary artery; Maternity Center Association; medical care administration; methylcholanthrene; microchannel architecture; middle cerebral artery; monoclonal antibody; multichannel analyzer; multiple congenital anomaly |
| MCA/MR | multiple congenital anomaly/mental retardation [syndrome] |
| MCAB | monoclonal antibody |
| MCAD | medium chain acyl-CoA dehydrogenase |
| MCAF | monocyte chemotactic and activating factor |
| MCAO | middle cerebral artery occlusion |
| MCAR | mixed cell agglutination reaction |