This article discusses how the cranial nerves work as components of the peripheral nervous system; these are special nerves associated with the brain. This is a Self-assessment article and comes with ...

A new study published in Nature Neuroscience provides evidence that aging and injury lead to the buildup of senescent neurons—commonly referred to as “zombie” cells—in the peripheral nervous system.

With terrifyingly sharp teeth arranged around a circular mouth, lampreys look about as primitive a vertebrate as you could imagine. But a new study finds that the animals have a surprising similarity ...