| MCL | maximum containment laboratory; medial collateral ligament; midclavicular line; midcostal line; mini... |
|---|---|
| MCN | maternal child nursing; minimal change nephropathy; mixed cell nodular [lymphoma] |
| MCNS | minimal change nephrotic syndrome |
| MDA | malondialdehyde; manual dilation of anus; methylene dianiline; 3,4-methylenedioxyamphetamine; minima... |
| MEGD | minimal euthyroid Graves disease |