41.8 MB (3.2 MB compressed)
4437 x 3291 pixels
37.6 x 27.9 cm ⏐ 14.8 x 11.0 in (300dpi)
CNRI / SCIENCE PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY
Macrophage in contact with a lymphocyte. False- colour scanning electron micrograph (SEM) of a macrophage (gold) in contact with a lymphocyte, a type of white blood cell. The macrophage's irregular shape is characterised by thin projections (filopodia), used for support & motility. Macrophages form part of the body's reticulo-endothelial (or macrophage-monocyte system), which includes those cells & tissues with phagocytic (digestive-like) properties. Macrophages engulf & digest cellular debris, bacteria, other foreign bodies & aged red cells. Magnification unknown.
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