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node of Ranvier
This term refers to a specialized anatomical structure essential for the rapid transmission of electrical signals in the nervous system. It is used exclusively in biological and medical contexts, specifically within neurology and histology, to describe the gaps in the insulating myelin layer of an axon.
Because this is a technical term named after the French anatomist Louis Ranvier, the word "Ranvier" must always be capitalized. In professional discourse, it is frequently associated with the concept of saltatory conduction, describing the "leaping" motion of action potentials between these gaps.
Meanings
Examples
The myelin sheath is interrupted at each node of Ranvier.
Wait, does the signal jump between every node of Ranvier?
Saltatory conduction occurs because the action potential only regenerates at the node of Ranvier.
I need to remember that the node of Ranvier contains a high density of sodium channels.
Damage to the node of Ranvier can lead to a significant decrease in nerve conduction velocity.
Look at the slide and identify the gap known as the node of Ranvier.
The electrical impulse skips from one node of Ranvier to another.
Is the distance between each node of Ranvier constant across all axons?