Saltatory conduction occurs in
A. myelinated axons, where action potentials occur only under the myelin sheath.
B. myelinated axons, where action potentials occur continuously down the entire axon.
C. the axon terminal, where full-size action potentials occur at the hillock.
D. myelinated axons, where action potentials occur only at neurofibril nodes.
E. unmyelinated axons, where action potentials occur continuously down the entire axon.
Answer: D
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