LCAP CHU NICE - ISM / SCIENCE PHOTO LIBRARY LCAP CHU NICE - ISM / SCIENCE PHOTO LIBRARY
Pemphigus vulgaris of the oral mucosa. Immunofluorescence light micrograph of pemphigus vulgaris, showing separation of oral mucous membrane layers. This skin disease causes blistering of the outer (epidermal) layer of the skin and mucous membranes. It is an autoimmune disorder in which the immune system produces antibodies against specific proteins in the skin and mucous membrane. These antibodies produce a reaction that leads to a separation of epidermal cells (acantholysis). The exact cause of the development of antibodies against the body's own tissues (autoantibodies) is unknown.
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