| MNA | maximum noise area |
|---|---|
| MNL | marked neutrophilic leukocytosis; maximum number of lamellae; mononuclear leukocyte |
| MOC | maximum oxygen consumption; multiple ocular coloboma |
| MOI | maximum oxygen intake; multiplicity of infection |
| MPC | marine protein concentrate; maximum permissible concentration; mean plasma concentration; meperidine... |