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==Overview==

|linkpage =Endocrine System - Anatomy & Physiology

|linktext =Endocrine System

|maplink = Endocrine System (Content Map) - Anatomy & Physiology

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.

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

The skin is also a producer of Vitamin D., the precursor of the hormone [[Endocrine System - Calcium Homeostasis - Anatomy & Physiology#Calcitriol (Active Vitamin D3)|Calcitriol]]. Ultraviolet light at a wavelength of 300nm is required to convert ''7-dehydrocholesterol'' to Vitamin D.

==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.  

The skin is a producer of '''vitamin D''', the precursor of the hormone, [[Calcium#Calcitriol (Active Vitamin D3)|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 its active form, [[Calcium#Calcitriol (Active Vitamin D3)|calcitriol]] in the [[Kidney Endocrine Function - Anatomy & Physiology|kidney.]]

Vitamin D is then hydroxylated into it's active form, [[Endocrine System - Calcium Homeostasis - Anatomy & Physiology#Calcitriol (Active Vitamin D3)|Calcitriol]] in the [[Endocrine System - Kidney - Anatomy & Physiology|kidney.]]

 

[[Category:Endocrine System - Anatomy & Physiology]][[Category:Integumentary System - Anatomy & Physiology]]

[[Category:A&P Done]]