Scientists show how a neuron gets its shape

(PhysOrg.com) -- Ask a simple question, get a simple answer: When Abraham Lincoln was asked how long a man`s legs should be, he absurdly replied, `Long enough to reach the ground.` Now, by using a new microscopy technique to watch the growth of individual neurons in the microscopic roundworm Caenorhabditis elegans, Rockefeller University researchers are turning another deceptively simple question on its head. They asked, `How long should a worm`s neurons be?` And the worms fired back, `Long enough to reach their targets.`

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