GENERAL HISTOLOGY

Detailed explanation-1: -Saltatory conduction describes the way an electrical impulse skips from node to node down the full length of an axon, speeding the arrival of the impulse at the nerve terminal in comparison with the slower continuous progression of depolarization spreading down an unmyelinated axon.

Detailed explanation-2: -Action potentials traveling down the axon “jump” from node to node. This is called saltatory conduction which means “to leap.” Saltatory conduction is a faster way to travel down an axon than traveling in an axon without myelin.

Detailed explanation-3: -In saltatory conduction, the nerve impulse moves between the nodes of Ranvier, whereas in continuous conduction, it moves the full length of the axon. Since action potential occurs at the node of the Ranvier, the impulses of the nerve travel rapidly in saltatory conduction jumping from node to node.

Detailed explanation-4: -This arrangement gives rise to a high-resistance, low-capacitance electrical insulator. However, nodes of Ranvier interrupt the insulation at intervals, and this discontinuity enables impulses to jump from node to node in a process known as saltatory conduction.