| MRU | mass radiography unit; minimal reproductive unit |
|---|---|
| MT | magnetization transfer; malaria therapy; malignant teratoma; mammary tumor; mammilothalamic tract; m... |
| MVR | massive vitreous reaction; microvitreoretinal; minimal vascular resistance; mitral valve replacement... |
| FBSS | Failed Back Surgery Syndrome |
| GS | 1) Gall Stone 2) General Surgery |