29 April 2015

Long cell

If a pyramidal cell of the cerebral cortex were magnified so that its cell body became the size of a human body, its axon, equally magnified, would become a cable a few centimeters in diameter, extending more than a kilometre.
from Neuronal circuits of the neocortex by R J Douglas and K A Martin via wikipedia

Image: a motor cortex pyramidal cell by Santiago Ramón y Cajal

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