It is the duty of every one to keep physically well and to convey the appearance of physical well-being through a healthy skin. Others must observe us, and in all walks of life, among all classes of society, the healthy-looking person is the one most graciously received. The complex condition resulting in a healthy appearance of the skin is most difficult of adequate definition, yet every one has a rather clear objective knowledge of a perfect skin.It is my intention to discuss in a most elementary manner a deviation of a well understood function of the skin which is an important etiologic factor in the case of many recognized skin conditions.
SEBACEOUS GLAND SECRETION
The daily physiologic sebaceous gland secretion amounts to about 1 or 2 gm.; it is quite constant in amount, somewhat less in children and much less in the cold season. The normal sebaceous
VARNEY HR. DERANGED SEBACEOUS SECRETION AS AN ETIOLOGIC FACTOR IN DISEASES OF THE SKIN. JAMA. 1919;73(21):1580–1583. doi:10.1001/jama.1919.02610470016006
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