DR KEITH WHEELER / SCIENCE PHOTO LIBRARY DR KEITH WHEELER / SCIENCE PHOTO LIBRARY
Sciatic nerve. Light micrograph of a longitudinal section through a human sciatic nerve showing hte bundles of nerve axons (dark blue). The is the longest and widest in the human body. It starts in the lower back and travels through the buttock and down the leg to the back of the ankle. Magnification: x13 when printed at 10 centimetres tall.
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