(A) Illustration of myelinated nerve fiber and saltatory conduction of action potential. An example of ... dorsal root ganglion neurons and Schwann cells. Myelin segments are stained in red ...

Nerve cells, or neurons, are the basic functional units of the ... and myelin sheaths surrounding the axon that accelerate action potential propagation. Neurons can also be categorized by their basic ...

The axon initial segment (AIS) is where nerve signals begin, and its adaptability is key to brain function. Scientists have found that the AIS changes in response to activity levels, helping neurons ...

These cells communicate with each other to ... and voltage-gated sodium channels at nodes, the action potential in myelinated nerve fibers jumps from one node to the next. This mode of travel ...