- Ranvier segment
- internodal s.
Medical dictionary. 2011.
Ranvier segment
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
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
Ranvier — Louis A., French pathologist, 1835–1922. See R. crosses, under cross, R. disks, under disk, node of R., R. plexus, R. segment … Medical 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
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
internode of Ranvier — internodal segment … Medical dictionary
Myelin sheath gap — Drawing of a peripheral nerve axon (labeled axis cylinder ), showing a node of Ranvier along with other features … Wikipedia
Axon — For other uses, see Axon (disambiguation). Structure of a typical neuron Axon … Wikipedia
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
