Ranvier's node

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• ranvier's node — (ˈ)räⁿ|vyāz noun Usage: usually capitalized R : node of ranvier …   Useful english dictionary

• node of Ranvier — node of Ran·vier rän vē .ā n a small gap in the myelin sheath of a myelinated nerve fiber Ran·vier rȧn vyā Louis Antoine (1835 1922) French histologist. Ranvier was one of the foremost histologists of his time. He is credited with transforming… …   Medical dictionary

• node of Ranvier — [rän vyā′] n. pl. nodes of Ranvier [after L. A. Ranvier (1835 1922), Fr histologist] 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… …   English World dictionary

• 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

• node of Ranvier — node′ of Ran•vier′ [[t]rɑnˈvyeɪ, ˈrɑn vyeɪ[/t]] n. cbl a gap occurring at regular intervals between segments of myelin sheath along a nerve axon • Etymology: after Louis Antoine Ranvier (1835–1922), French histologist …   From formal English to slang

• Ranvier-Schnürring — Aufbau einer Nervenzelle …   Deutsch Wikipedia

• Node — Literally a knot, a node is a collection of tissue. For example a lymph node, is a collection of lymphoid tissue. A nodule is a small node, a little collection of tissue. * * * 1. A knob or nodosity; a circumscribed swelling; in anatomy, a… …   Medical dictionary

• node of Ranvier — Etymology: Louis A. Ranvier died 1922 French histologist Date: circa 1885 a small gap in the myelin sheath of a myelinated nerve fiber …   New Collegiate Dictionary

• node of Ranvier — /rahn vyay , rahn vyay/, Cell Biol. a gap occurring at regular intervals between segments of myelin sheath along a nerve axon. [1880 85; after Louis Antoine Ranvier (1835 1922), French histologist, who described it in 1878] * * * …   Universalium

• Ranvier crosses nodes segment (internode) tactile disks — Ran·vier crosses, nodes, segment (internode), tactile disks (rahn vyaґ) [Louis Antoine Ranvier, French pathologist, 1835–1922] see under cross, disk, and node, and see internodal segment under segment …   Medical dictionary

• node of Ranvier — [ rα:nvɪəɪ] noun Anatomy a gap in the myelin sheath of a nerve, between adjacent Schwann cells. Origin C19: named after the French histologist Louis Antoine Ranvier …   English new terms dictionary