Skin Endocrine Function - Anatomy & Physiology

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()Map ENDOCRINE SYSTEM (Map)



Hormones have a large effect on the skin, details of which can be found at Skin - Anatomy & Physiology - Endocrine & Nutritional Influences. As a result [Endocrine effects on the skin|Endocrine associated skin pathology]] is relatively common.

The skin is also a producer of Vitamin D., the precursor of the hormone Calcitriol. Ultraviolet light at a wavelength of 300nm is required to convert 7-dehydrocholesterol to Vitamin D.

Whilst this is a key source of the vitamin in humans, as many animal species have hair covered skin, Vitamin D from this region is usually minimal, with dietary sources being much more important.

Vitamin D is then hydroxylated into it's active form, Calcitriol in the kidney.