| MMSc | Master of Medical Science |
|---|---|
| MN | a blood group in the MNSs blood group system; malignant nephrosclerosis; Master of Nursing; meganewt... |
| MO&G | Master of Obstetrics and Gynaecology |
| MPH | male pseudohermaphroditism; Master of Public Health; milk protein hydrolysate |
| MPharm | Master of Pharmacy |