- M protein
- M-EDTA
- M200
- ma huang
- macrocalcification
- macroglobulinemia
- macrophage
- macular degeneration
- MAGE-3 antigen
- magnesium
- magnesium sulfate
- magnetic resonance imaging
- magnetic resonance perfusion imaging
- magnetic resonance spectroscopic imaging
- magnetic-targeted carrier
- maidenhair tree
- mainstream medicine
- maintenance therapy
- malabsorption syndrome
- male breast cancer
- malignancy
- malignant
- malignant ascites
- malignant ectomesenchymoma
- malignant fibrous cytoma