Monad. The simplest kind of minute animalcule.
Mucus. A viscid fluid secreted by a mucous membrane.
Multipara. A woman who has had two children or more.
Nævus. A birth mark.
Narcotic. Producing sleep and stupor.
Nares. The passage through the nose; the nostril.
Nates. The seat; the buttocks.
Necrosis. Death of the bone.
Neuralgia. Painful affection of the nerves.
Neurilemma. The sheath investing a nerve.