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node of Ranvier Definition

node of Ran·vier (rän vyā)

noun pl. nodes of Ranvier

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

Etymology: after L. A. Ranvier (1835-1922), Fr histologist

Browse dictionary entries near node of Ranvier

  1. node
  2. noddy
  3. noddle
  4. nodding acquaintance
  5. nodal
  6. nod
  7. nocuous
  8. nocturne
  9. nocturnal emission
  10. nocturnal
  1. nodical
  2. nodose
  3. nodule
  4. nodus
  5. noel
  6. noetic
  7. nog
  8. noggin
  9. nogging
  10. Noguchi