The Nano-Magnets That Will Restore Damaged Nerve Cells
Neurons are the fundamental units of the brain and nervous system, the cells responsible for receiving sensory input from the external world, for sending motor commands to our muscles, and for transforming and relaying the electrical signals at every step in between. Neurons, also called nerve cells, are composed of three main parts: the cell body, the dendrites and the axon -- a long, thin extension that is responsible for communicating with other cells.