Ranvier's cross

Mira otros diccionarios:

• cross — 1. Any figure in the shape of a c. formed by two intersecting lines. SYN: crux. 2. SYN: crux of heart. 3. A method of hybridization or the hybrid so produced. [F. croix, L. crux] back c. the mating between an animal that is homozygous at a …   Medical dictionary

• Ranvier crosses — dark, cross shaped markings at the nodes of Ranvier, seen on longitudinal section after staining with silver nitrate …   Medical dictionary

• 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

• 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

• Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… …   Wikipedia

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

• France aux Jeux olympiques d'hiver de 2006 — France aux Jeux olympiques France aux Jeux olympiques d hiver de 2006 Code CIO  …   Wikipédia en Français

• Neuron — This article is about cells in the nervous system. For other uses, see Neuron (disambiguation). Brain cell redirects here. For other uses, see Glial cell. Neuron: Nerve Cell …   Wikipedia

• Anti-ganglioside antibodies — AutoAbBox Autoantigen = ganglioside OneIsoform = CommentOneIsoform Answer only if true OneGene = OneOrgan = OneTissue = OneCell = OneAlso = OneDisease = OneIgClass = OneIgGSubclass = OneHLA1 = OneHLA2 = OneHLA3 = OneTCellRestr = SharedInfo = Yes… …   Wikipedia