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The body is at first obese, but rapidly loses flesh, the skin becomes greasy and damp, owing to hypersecretion of the sebaceous and sudoriparous glands, and soils the garments.

Even the erector pili muscle and the sudoriparous gland are often found.

They are parts of the skin, being nothing more or less than enormous enlargements of dermal glands, either sebaceous or sudoriparous.

The skin is thus exercised, as it were, and the sudoriparous and sebaceous glands are set at work.