| M-T | macroglobulin-trypsin |
|---|---|
| M. | Mycoplasma(= Asterococcus) M. Pneumoniae; 폐렴미코플라즈마 |
| M/10 | tenth molar solution |
| M/100 | hundredth molar solution |
| M/3 | middle third |
| M/A | male, altered [animal]; mood and/or affect |
| m/c | most common |
| M/C | male, castrated [animal] |
| M/E | myeloid/erythroid [ratio] |
| M/F | male/female [ratio] |