| MHyg | Master of Hygiene |
|---|---|
| MIH | Master of Industrial Health; migraine with interval headache; minimal intermittent heparin [dose] |
| MM | macromolecule; Maelzels metronome; major medical [insurance]; malignant melanoma; manubrium to malle... |
| MMED | Master of Medicine |
| MMS | mass mammographic screening; Master of Medical Science; methyl methanesulfonate; Mini-Mental State |