saltatory conduction

This process, termed saltatory conduction, is featured in a majority of physiology textbooks.

Saltatory conduction is defined as an action potential moving in discrete jumps down a myelinated axon.

Saltatory conduction has also been found in the small- and medium-sized myelinated fibers of Penaeus shrimp.

The length of axons' myelinated segments is important to the success of saltatory conduction.

Thus, the safety factor of saltatory conduction is high, allowing transmission to bypass nodes in case of injury.

The myelination enables an especially rapid mode of electrical impulse propagation called saltatory conduction.

Basically, the myelin sheath prevents the leakage of charge and increases signal speed due to saltatory conduction.

These gaps allow for saltatory conduction which increases the speed of action potentials (the signals such as stubbing your big toe) down the axon.

This arrangement permits saltatory conduction of action potentials with repropagation at the nodes of Ranvier.

Saltatory conduction provides one advantage over conduction that occurs along an axon without myelin sheaths.

Some diseases degrade myelin and impair saltatory conduction, reducing the conduction velocity of action potentials.

Known as saltatory conduction, this type of signal propagation provides a favorable tradeoff of signal velocity and axon diameter.

Together with the Swiss physiologist Robert Stämpfli he evidenced the existence of saltatory conduction in myelinated nerve fibres.

Saltatory conduction in myelinated axons requires organization of the nodes of Ranvier, whereas voltage-gated sodium channels are highly populated.

These methods are referred to as action potential conduction for unmyelinated axons, and saltatory conduction for myelinated axons.

The action potential jumps from node to node, in a process called saltatory conduction, which can increase conduction velocity up to ten times, without an increase in axonal diameter.

In saltatory conduction, electrical currents produced at each node of Ranvier are conducted with little attenuation to the next node in line, where they remain strong enough to generate another action potential.

Instead, the ionic current from an action potential at one node of Ranvier provokes another action potential at the next node; this apparent "hopping" of the action potential from node to node is known as saltatory conduction.

Saltatory conduction had been found exclusively in the myelinated nerve fibers of vertebrates, but was later discovered in a pair of medial myelinated giant fibers of Fenneropenaeus chinensis and Marsupenaeus japonicus, as well as a median giant fiber of an earthworm.

Although the mechanism of saltatory conduction was suggested in 1925 by Ralph Lillie, the first experimental evidence for saltatory conduction came from Ichiji Tasaki and Taiji Takeuchi and from Andrew Huxley and Robert Stämpfli.