36.6 MB (2.8 MB compressed)
4000 x 3201 pixels
33.8 x 27.2 cm ⏐ 13.3 x 10.7 in (300dpi)
EYE OF SCIENCE / SCIENCE PHOTO LIBRARY EYE OF SCIENCE / SCIENCE PHOTO LIBRARY
Dendritic cell. Coloured scanning electron micrograph (SEM) of a dendritic cell, part of the human immune system. It is a macrophage cell that is found in the body's tissues. The long projections seen on the cell's surface help it to move. The cells recognise and engulf foreign cells. They may then display the foreign antigen to other cells as an indication of the infection. Dendritic cells found in the upper layer of the skin (the epidermis) are known as histiocytes or Langerhans cells. In the central nervous system dendritic cells are known as microglia, and in the liver as Kupffer cells. Magnification: x1560 when printed 10 cm wide.
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