During a neurobiology lecture, a professor repeatedly refers to group A and group B fibers, absolute refractory period, and myelin sheath gaps. Define these terms. What factors appear to guide the...

During a neurobiology lecture, a professor repeatedly refers to group A and group B fibers, absolute refractory period, and myelin sheath gaps. Define these terms.

What factors appear to guide the outgrowth of an axon and its ability to make the “correct” synaptic contacts