| MGG | May-Grunwald-Giemsa [staining]; molecular and general genetics; mouse gammaglobulin; multinucleated ... | 
|---|---|
| MHV | magnetic heart vector; middle hepatic vein; mouse hepatitis virus | 
| MLS | mean lifespan; median life span; median longitudinal section; microphthalmia-linear skin defects [sy... | 
| MME | M-mode echocardiography; mobile medical equipment; mouse mammary epithelium | 
| MMT | alpha-methyl-m-tyrosine; manual muscle test; mouse mammary tumor |