| Abbreviation | Definition |
|---|---|
| MERP | Moose Evolved River Pants |
| MESB | Molecular and Evolutionary Systems Biology |
| MFB | Marine and Freshwater Biology |
| MFB | Marine Freshwater Biology |
| MGCB | Molecular Genetics and Cell Biology |
| MGCB | Molecular Genetics Cell Biology |
| MGSG | Methylene Glycol Sulfite Gluconolactone |
| MH | Man Head |
| MHNC | Musée d'Histoire NaturelleaLa Chaux-de-Fonds |
| MIBBI | Minimum Information for Biological and Biomedical Investigations |
| MICB | Manitoba Institute of Cell Biology |
| MIFAB | Millennium Institute for Fundamental and Applied Biology (Chile) |
| MIID | Microbiology Immunology and Infectious Diseases |
| MILCA | Matrix-induced Liver Cell Aggregates |
| MIPM | Microbiology Immunology And Preventative Medicine |
| MIPM | Microbiology Immunology And Preventitive Medicine |
| miRNA | micro RNA |
| MITCHELL | My Iguana Thomas Chooses Hay Ending Lake Lurie |
| MLBS | Mountain Lake Biological Station |
| MLCB | machine learning and computational biology |