Identify structure "B" on the neuron.
A) Schwann cell
B) Node of Ranvier
C) Neuron cell body (soma)
D) Dendrites
E) Axon

Neuron

A nerve cell that transmits electrical and chemical signals throughout the nervous system.

Schwann Cell

A type of glial cell that wraps around nerve fibers in the peripheral nervous system, forming the myelin sheath that facilitates nerve impulse transmission.

Node of Ranvier

Gaps in the myelin sheath of a nerve fiber that facilitate rapid conduction of nerve impulses.