DR KEITH WHEELER / SCIENCE PHOTO LIBRARY DR KEITH WHEELER / SCIENCE PHOTO LIBRARY
Skin section, polarised light micrograph. The outer most layer of skin is the stratum corneum, it consists of dead cells that act as a protective barrier. It is part of the epidermis (red and white). Beneath the epidermis is the dermis (brown, green, pink and blue), a thick layer of connective tissue. Beneath that is the hypodermis, which contains adipose (fat) cells (green circles). Magnification: x7 when printed at 10 centimetres wide.
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