ASTRID & HANNS-FRIEDER MICHLER / SCIENCE PHOTO LIBRARY ASTRID & HANNS-FRIEDER MICHLER / SCIENCE PHOTO LIBRARY
Light micrograph of a section of normal human cerebellum. The cortex of the cerebellum has two distinct layers; the molecular layer containing nerve fibres (top and right) and the granular layer consisting of nerve cells (bottom left). The small purple dots in the molecular layer are the nuclei of astrocytes. The large cells with purple nuclei at the interface of these layers are Purkinje cells, which send dendritic processes into the molecular layer. The white areas throughout the picture show the positions of blood capillaries. Magnification: x50 at 35mm size.
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