When a nerve impulse jumps from one node of Ranvier to the next in a myelinated neuron, it's called _.

Explanation

Saltatory conduction is the propagation of action potentials along myelinated axons from one node of Ranvier to the next node, increasing the conduction velocity of action potentials. Saltatory conduction is the rapid "leap" of action potentials along a myelinated axon, moving quickly between gaps in the myelin sheath known as nodes of Ranvier. This process is significantly faster and more energy-efficient than conduction in unmyelinated axons because action potentials only need to be regenerated at these nodes, rather than along the entire length of the axon. The myelin sheath, a fatty insulating layer produced by Schwann cells and oligodendrocytes, prevents ion movement in the internodal regions, allowing the electrical signal to "jump" from node to node.