Question

node of Ranvier

Accepted Answer

Gap in the myelin sheath of certain axons where an action potential may be generated. In saltatory conduction, an action potential is regenerated at each node, appearing to “jump” along the axon from node to node.

Front	node of Ranvier
Back	Gap in the myelin sheath of certain axons where an action potential may be generated. In saltatory conduction, an action potential is regenerated at each node, appearing to “jump” along the axon from node to node.

Node Action Potential Ranvier Gap Myelin Sheath Axons