| 释义 |
node of Ranvier
node of Ran·vier N0126450 (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.
[After Louis Antoine Ranvier (1835-1922), French histologist.]node of Ranvier (ˈrɑːnvɪˌeɪ) n (Anatomy) any of the gaps that occur at regular intervals along the length of the sheath of a myelinated nerve fibre, at which the axon is exposed[C19: named after Louis-Antoine Ranvier (1835–1922), French histologist]node′ of Ran•vier′ (rɑnˈvyeɪ, ˈrɑn vyeɪ)
n. a gap occurring at regular intervals between segments of myelin sheath along a nerve axon. [after Louis-Antoine Ranvier (1835–1922), French histologist]
node of Ranvier
node of Ranvier[′nōd əv rän′vyā] (neuroscience) The region of a local constriction in a myelinated nerve; formed at the junction of two Schwann cells. node of Ranvier
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. 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.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. ThesaurusSeenodes of Ranvier |