The meaning of NODE OF RANVIER is a small gap in the myelin sheath of a myelinated nerve fiber.
Nodes of Ranvier Myelinis not a continuous structure but is interrupted at regular intervals by the nodes of Ranvier, constrictions named after the French pathologist and anatomist Louis-Antoine Ranvier (1835–1922), who first described them (Figure 7). These short periodical interruptions in themy...
Sensory Nerves | Definition, Function & Examples from Chapter 8 / Lesson 5 198K Read about sensory nerves. and what they do. Learn about sensory nerve examples, where sensory nerves are located, and the function of sensory nerves. Related...
What part of a nerve cell carries signals toward the part of the cell that houses the nucleus? a. node of Ranvier b. axon c. cell body d. dendrite e. neuron Action Potentials: One of the main functions...
“Node of Ranvier.”Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/node%20of%20Ranvier. Accessed 1 Jun. 2025. Copy Citation Share Medical Definition node of Ranvier noun node of Ran·vier-ˈrän-vē-ˌā ...
Node of Ranvier The nodes of Ranvier are the only sites along amyelinated nerve fiberthat support the fast de- and repolarization process necessary for generation of action potentials.449This ability is mainly a result of the high concentration of voltage-sensitive Na+channels in the nodalaxolemm...
What is a neurofibril node (node of Ranvier)? What is the function of a neurofibril node? Define the parietal pleura. Define the following medical term: Pericardium Define arrhythmia. Define foramen spinosum. What is the function of the SA node? Explain the structure of the pericardium. What ...
node of Ranvier (redirected fromRanvier node) Thesaurus Medical Encyclopedia node of Ran·vier (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. ...
Define Ranvier's node. Ranvier's node synonyms, Ranvier's node pronunciation, Ranvier's node translation, English dictionary definition of Ranvier's node. n. pl. nodes of Ranvier A constriction in the myelin sheath, occurring at varyi
node of Ran·vier (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.] American Heritage® Dictionary of the...