PROFESSOR P. MOTTA & D. PALERMO / SCIENCE PHOTO LIBRARY PROFESSOR P. MOTTA & D. PALERMO / SCIENCE PHOTO LIBRARY
Neuroglia cells. Coloured scanning electron micrograph (SEM) of a culture of neuroglia cells. These cells are found in nervous tissue and support nerve fibres both structurally and metabolically. Two types of cell are seen here, the round cells (blue) are immature, and have not yet developed the numerous processes associated with the mature forms (green). Neuroglia cells make up around half the mass of the central nervous system. The most common of the neuroglia cells are astrocytes, star-shaped cells which are thought to help nerve cells obtain nutrients from the blood. Magnification: x1000 at 6x7cm size.
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