Reference Terms
from Wikipedia, the free encyclopedia

Skin

In zootomy and dermatology, skin is an organ of the integumentary system composed of a layer of tissues that protect underlying muscles and organs.

Skin has pigmentation, provided by melanocytes, which absorbs some of the potentially dangerous radiation in sunlight.

Note:   The above text is excerpted from the Wikipedia article "Skin", which has been released under the GNU Free Documentation License.
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July 6, 2015

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updated 12:56 pm ET