| MCT | manual cervical traction; mean cell thickness; mean cell threshold; mean circulation time; mean corp... |
|---|---|
| MD | Doctor of Medicine [Lat. Medicinae Doctor]; magnesium deficiency; main duct; maintenance dose; major... |
| MDI | manic-depressive illness; metered dose inhaler; multiple daily injection; Multiscore Depression Inve... |
| MEA | male-enhanced antigen; Medical Exhibition Association; mercaptoethylamine; monoethanolamine; multipl... |
| MEA-I | multiple endocrine adenomatosis type I |