(A) Illustration of myelinated nerve fiber and saltatory conduction of action potential. An example of PNS myelinated nerve fiber is shown. (B) Illustration of transverse section of myelinated ...

Are all axons covered with myelin? No; they can be either myelinated or unmyelinated. Myelinated axons are ensheathed along their entire length. The axon caliber (diameter) in mammalian PNS ranges ...

Recent years have seen a stream of academic papers about how often people lie or cheat and under what kinds of circumstances. Some of those papers go further, offering certain tricks that can ...