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Ranvier's constriction

См. также в других словарях:

  • nodeof Ranvier — node of Ran·vier (ränʹvyā, rän vyāʹ, räɴ ) n. pl. nodes of Ranvier A constriction in the myelin sheath, occurring at varying intervals along the length of a nerve fiber.   [After Louis Antoine Ranvier (1835 1922), French histologist.] * * * …   Universalium

  • node of ranvier — ränˈvyā Usage: usually capitalized R Etymology: after Louis A. Ranvier died 1922 French histologist : a constriction in the medullary sheath of a medullated nerve fiber …   Useful english dictionary

  • node of Ranvier — noun A small constriction in the myelin sheath of axons …   Wiktionary

  • nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …   Universalium

  • saltatoire — [ saltatwar ] adj. • 1893; lat. saltatorius, de saltare « sauter » ♦ Didact. 1 ♦ Adapté au saut; propre au saut. Appareil saltatoire de la sauterelle. 2 ♦ Qui est caractérisé par des soubresauts. Chorée saltatoire. ● saltatoire adjectif (latin… …   Encyclopédie Universelle

  • node of Ran|vier — «rahn VYAY», the site of a local constriction in the myelin and axon of a myelinated nerve cell: »The ion movements can occur only in the gaps in the myelin sheath…called the nodes of Ranvier, and the nerve impulse has to jump from one node to… …   Useful english dictionary