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SlideshowReport

Cortical Development

Description
This cross section through the cerebral cortex shows it early in its development. The radially oriented fibers of glial cells help to guide the migration of newly formed neurons from the ventricular zone to their final resting place in the cerebral cortex. Each successive wave of neurons passes neurons that migrated earlier, so the most recently formed neurons occupy layers closer to the cortical surface. (Adapted from Rakic, P. Trends in Neuroscience, 1995, 18, 383–388.)
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