| MFB | medial forebrain bundle; metallic foreign body |
|---|---|
| MG | Marcus Gunn [pupil]; margin; medial gastrocnemius [muscle]; membranous glomerulonephritis; menopausa... |
| MGB | medial geniculate body; myoglobin |
| MGN | medial geniculate nucleus; membranous glomerulonephritis |
| MH | malignant histiocytosis; malignant hyperpyrexia; malignant hypertension; malignant hyperthermia; mam... |