- M.R.C.S.
- ma
- mace
- maceration
- macromelus
- macromerozoite
- macronucleus
- macrophag, macrophage
- macrosmatic
- macrotin
- macula lactea
- macular
- Macular Leprosy
- macular syphilide
- maculation
- Maculopapular Erythroderma
- mad
- mad staggers
- Madelung's deformity's sign
- madidans