Node-of-ranvier definition
A constriction in the myelin sheath, occurring at varying intervals along the length of a nerve fiber.
noun
Any of the constrictions along the myelin sheath that surrounds an axon of a nerve cell: nodes are formed where two Schwann cells meet and are essential to the proper transmission of nerve impulses.
noun
A constriction in the myelin sheath, occurring at varying intervals along the length of a nerve fiber.
noun
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Other Word Forms
Noun
Singular:
node-of-ranvier
Plural:
nodes-of-ranvierOrigin of node-of-ranvier
- After Louis Antoine Ranvier (1835–1922), French histologist
From American Heritage Dictionary of the English Language, 5th Edition
- For Louis-Antoine Ranvier French physician
From Wiktionary