| 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 |
| MMTV | mouse mammary tumor virus |