node of Ranvier

noun phrase
node of Ran·​vier | \ -ˈräⁿ-vē-ˌā How to pronounce node of Ranvier (audio) \

Definition of node of Ranvier

: a small gap in the myelin sheath of a myelinated nerve fiber

First Known Use of node of Ranvier

1876, in the meaning defined above

History and Etymology for node of Ranvier

Louis A. Ranvier †1922 French histologist

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The first known use of node of Ranvier was in 1876

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Cite this Entry

“Node of Ranvier.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/node%20of%20Ranvier. Accessed 10 December 2019.

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node of Ranvier

noun
node of Ran·​vier | \ -ˈrän-vē-ˌā How to pronounce node of Ranvier (audio) \

Medical Definition of node of Ranvier

: a small gap in the myelin sheath of a myelinated axon

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