| Abbreviation | Definition |
|---|---|
| MGM | Male Genital Mutation |
| MGM | Mitochondrial Genome Maintenance |
| MGP | Microbial Genome Program |
| MGR | Marine Genetic Resource |
| MGR | Multiple Genome Rearrangements |
| MGRC | Malaysia Genomics Resource Centre |
| MGRC | Malaysian Genomics Resource Centre |
| MGRT | Marine Genomics Research Team |
| MGSC | Mouse Genome Sequencing Consortium |
| MGT | Multilevel Genome Typing |
| MGUS | Monoclonal Gammopathy of Undetermined Significance |
| MGV | Mean Gray Value |
| MH | Master Herbalist |
| MHC | major Histocompatibility Complex |
| MHC | Maternal Histone Compatibility |
| MHE | Multiple Hereditary Exostoses |
| MICE | Molecular Interactive Collaboration Environment |
| MID | Marshfield Insertion/Deletion |
| MIF | Migration-Inhibition Factor |
| MIM | Mendelian Inheritance in Man |