Skin Deep (IMAGE)
Caption
A sample from one psoriasis patient shows thickening of the outer layer of skin, known as the epidermis (top). Eight weeks after treatment, the epidermis has thinned to a normal level (bottom).
Credit
Laboratory of Investigative Dermatology at Rockefeller University/<I>Journal of Allergy and Clinical Immunology</I>
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Image may only be used to illustrate research described in accompanying story.
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