Langerhans Cell
by Science Photo Library
Title
Langerhans Cell
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
Langerhans cell. Coloured transmission electron micrograph (TEM) of a section through the skin to show a Langerhans cell (yellow). The function of these cells is to detect foreign bodies (antigens) which have penetrated the epidermis, capturing intruders and then carrying them to the lymph nodes in the dermis, where they are presented to the lymphocytes. A cellular type of immune response is then triggered, neutralising and finally eliminating the antigen. Keratinocytes (blue) surround the Langerhans cell and dermis (green) is seen at bottom right of the image. Magnification: x7000 when printed at 10 centimetres high.
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July 14th, 2016
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