Yale neuroscientist Gordon Shepherd has studied neurons for decades. But until recently he'd never had a neuron he could grasp with his own two hands: Neurons are much too small.

Now he's got his very own 3D neuron in all its spidery glory, a vastly enlarged but precise replica that is the latest custom-made anatomical model to emerge from the Yale Center for Engineering Innovation and Design (CEID). The model neuron is believed to be the first made with a 3D printer.

Read more: http://phys.org/news/2013-11-knee-neuron-offspring-yale-3d.html