| MPH | Mid-Parental Height |
|---|---|
| Em | mid-point redox potential |
| MDM | medical decision making; mid-diastolic murmur; minor determinant mix [penicillin] |
| MF | magnetic field; meat free; medium frequency; megafarad; membrane filler; merthiolate-formaldehyde [s... |
| MSB | Master of Science in Bacteriology; mid-small bowel; most significant bit |