internode

 
Pronunciation: /ˈɪntənəʊd/

noun

  • a slender part between two nodes or joints, in particular:
  • Botany a part of a plant stem between two of the nodes from which leaves emerge.
  • Anatomy a stretch of a nerve cell axon sheathed in myelin, between two nodes of Ranvier.

Origin:

mid 17th century: from Latin internodium, from inter- 'between' + nodus 'knot'