node of Ranvier

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node of Ran·vi·er

(rahn-vē-ā'),
a short interval in the myelin sheath of a nerve fiber, occurring between each two successive segments of the myelin sheath; at the node, the axon is invested only by short, fingerlike cytoplasmic processes of the two neighboring Schwann cells or, in the central nervous system, oligodendroglia cells.
See also: myelin sheath.
Farlex Partner Medical Dictionary © Farlex 2012

node of Ranvier

(rän′vyā, rän-vyā′, räN-)
n. pl. nodes of Ranvier
A constriction in the myelin sheath, occurring at varying intervals along the length of a nerve fiber.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

Ran·vi·er node

(rahn-vē-ā' nōd)
A short interval in the myelin sheath of a nerve fiber, occurring between segments of the myelin sheath; at the node, the axon is invested only by short, fingerlike cytoplasmic processes of the two neighboring Schwann cells or, in the centralnervous system, oligodendroglia cells.
See also: myelin sheath
Synonym(s): node of Ranvier.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012