internode of Ranvier

internode of Ranvier
internodal segment.

Medical dictionary. 2011.

Look at other dictionaries:

  • 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

  • internode — SYN: internodal segment. * * * n. the length of axon covered with a myelin sheath. Internodes are separated by nodes of Ranvier, where the sheath is absent. * * * in·ter·node (inґtər nōd) [inter + node] internodal segment …   Medical dictionary

  • internode — [ ɪntənəʊd] noun 1》 Botany a part of a plant stem between nodes. 2》 Anatomy a stretch of a nerve, sheathed with myelin, between two nodes of Ranvier …   English new terms dictionary

  • internode — n. the length of axon covered with a myelin sheath. Internodes are separated by nodes of Ranvier, where the sheath is absent …   The new mediacal dictionary

  • Nodes of Ranvier — are known as the gaps (about 1 micrometer in diameter) formed between myelin sheath cells along axons or nerve fibers. OverviewSeveral vertebrate axons are surrounded by a myelin sheath allowing rapid and efficient saltatory propagation of action …   Wikipedia

  • internodal segment — the segment of a nerve fiber between two nodes of Ranvier; called also internode, internode of Ranvier, and interannular s …   Medical dictionary

  • Myelin sheath gap — Drawing of a peripheral nerve axon (labeled axis cylinder ), showing a node of Ranvier along with other features …   Wikipedia

  • segment — 1. A section; a part of an organ or other structure delimited naturally, artificially, or by invagination from the remainder. SYN: segmentum [TA]. SEE ALSO: metamere. 2. A territory of an organ having independent function, supply, or drainage. 3 …   Medical dictionary

  • NERVEUX (SYSTÈME) - Neurogenèse — L’évolution phylogénétique du système nerveux des métazoaires, évolution si remarquable par la croissante complexité d’organisation et de fonctionnement qui la caractérise, offre au naturaliste un champ d’étude à l’intérêt fascinant. Cependant,… …   Encyclopédie Universelle

  • Internodal segment — Infobox Anatomy Name = PAGENAME Latin = segmentum internodale GraySubject = 183 GrayPage = 727 Caption = Diagram of longitudinal sections of medullated nerve fibers. Caption2 = Medullated nerve fibers stained with silver nitrate. System =… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”