Your nervous system uses billions of tiny, connected nerve cells called neurons to send the messages, which are electrical and chemical signals that tell your body what to do. Your nervous system ...

The axon is surrounded by multilamellar structure of myelin. (E) Myelinated nerve fiber reproduced in vitro by coculture of rat dorsal root ganglion neurons and Schwann cells. Myelin segments are ...

Neuroscientists have produced the largest wiring diagram and functional map of a mammalian ... sample the size of a grain of sand bearing more than 200,000 cells including roughly 84,000 nerve cells, ...

This diagram shows molecules moving from area ... sodium out of the cells and potassium into the cells. This helps nerve cells to transmit nerve impulses. Your brain contains around 85 billion ...