Mucus. A mucilaginous fluid found on the surface of certain membranes which keeps them soft and pliable. See Mucous Membrane.

Muscle. The structures of the body which execute movements.

Muscular Tissue. The flesh forming the muscles of the body.

Myalgia. Muscular rheumatism.

N

Narcotics. Medicines which stupefy.

Necrosis. Mortification or death of bone.

Nervines. Defined on [page 345].

Nervous Tissue. That part of the body composed of nerve-fibres.

Neuralgia. Described on [page 635].