疏红性的：对红染料(酸性品红)无亲和力- multipollicalism
- multirooted
- multisensitivity
- multisynaptic
- multiterminal
- multituberculate
- multivalent
- mummification
- mumps
- mumu
- Munk's disease
- Munro Kerr cesarean section,incision,maneuver
- Munro's microabscess(abscess)
- Munro's point
- mural
- muramic acid
- muramidase
- Murchison-Pel-Ebstein fever
- Murel
- Murex
- murexide
- murexine
- Murimyces
- murine
- murmur