BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY
Chronic dermatitis. Light micrograph of a section through skin affected by chronic dermatitis, showing the characteristic thickening (acanthosis) of the epidermis (dark pink, centre) along with infiltration of chronic inflammatory cells into the dermis (light pink, bottom). A variable amount of hyperkeratosis (flaky, upper layer) can also be seen.
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