皮基，皮胚：胚胎的原始皮肤- multimammae
- multinodular
- multinucleate
- multipara
- multiparity
- multiparous
- multiple
- multiplicitas
- multipolar
- 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