Simple cerate, wax, spermaceti, or suet; or in some instances, a pulverulent substance, such as starch, boric acid, and zinc oxide.

CLASS I.—DISORDERS OF THE GLANDS.

Hyperidrosis.

Fig. 6.

A normal sweat-gland, highly magnified. (After Neumann.)

a, Sweat-coil: b, sweat-duct; c, lumen of duct; d, connective-tissue capsule; e and f, arterial trunk and capillaries.

What is hyperidrosis?

Hyperidrosis is a functional disturbance of the sweat-glands, characterized by an increased production of sweat. This increase may be slight or excessive, local or general.

As a local affection, what parts are most commonly involved?