Dendrite definition

Les dendrites sont les petites expansions du. Arborisation, ramification. Toute reproduction ou représentation totale ou partielle de ce site par quelque procédé que ce soit, sans autorisation expresse, est interdite. Dendrite definition at Dictionary.

Le dictionnaire des citations. Recent Examples on the Web Vascular changes and the sprouting and pruning of axons and dendrites that extend from the main body of a neuron could also do the same. Douglas Fields, Scientific American , The Brain Learns in Unexpected Ways, Duller, shallower dendrites don’t pierce the battery and cause fires. A dendrite in metallurgy is a characteristic tree-like structure of crystals growing as molten metal solidifies, the shape produced by faster growth along energetically favourable crystallographic directions. This dendritic growth has large consequences in regard to material properties.

La dendrite, disent les experts, est la partie du neurone qui reçoit l’excitation des stimuli générés par d’autres cellules ou environnements. L’axone, par contre, distribue cette excitation de la zone dendritique. Cherchez dendrite et beaucoup d’autres mots dans le dictionnaire de définition et synonymes français de Reverso. Vous pouvez compléter la définition de dendrite proposée par le dictionnaire de français Reverso en consultant d’autres dictionnaires spécialisés dans la définition de mots français : , Trésor de la langue française, Lexilogos, dictionnaire Larousse, Le. What is a Dentrite: The word dendrite derived from the Greek word “Dendron”, which means the ‘tree’ or the ‘branched such as e tree’.

The dendrite is a short arm like protuberance from a neuron. Pierre sur laquelle on trouve des accidens qui représentent des buissons, des arbrisseaux formés naturellement. With Reverso you can find the French translation, definition or synonym for dendrite and thousands of other words. Prononciation de dendrite définition dendrite traduction dendrite signification dendrite dictionnaire dendrite quelle est la définition de dendrite. Définition de dendrite dans le dictionnaire français en ligne.

One of the usually numerous branches of a nerve cell that carry impulses toward the cell body. They conduct electrical messages to the neuron cell body for the cell to function. Ces dendrites peuvent se diviser par dichotomies successives, s`affinant ainsi de leur origine trapue vers la périphérie, ce qui leur confère un aspect arborescent. Texte intégral, sans publicité ni brimborions. Spatial dendrites are three-dimensional crystals with intermediate terminal velocities.

The foundryman can control the fineness of dendrite structure by controlling the rate of solidification. The branching dendrites found in moss agate were created by mineral deposits of manganese and iron trapped in fissures within the rock. The aforementioned “window” they created is outfitted with a high- definition video microscope and wired for easy monitoring of the dendrite growth and the voltage between the two electrodes (which changes during charge and discharge cycles).

This allows the team to observe the electrode and record whether dendrites grew or shrunk, and the. Ces informations sont destinées au groupe Bayar auquel NotreFamille. A dendrite is a characteristic of a metal or alloy that makes them weak and imperfect. This defect occurs when a hot metal alloy is cooled instantly or too quickly for diffusion to take place. Have you ever heard a Metallurgist or a Welding Engineer talk about a dendritic structure, or secondary dendrite arm spacing, and wondered what those terms meant?

Voir aussi dendrigés, dentritique. The job of a dendrite is to pass along electric signals it receives from other cells. Cells that carry electrical signals or impulses are known as neurons , and the specialized branches on neurons that do the work of receiving and sending these signals are dendrites.

A dendrite from one neuron and an axon from another neuron meet at a synapse, which is a very narrow gap between the two cells. The FREE social learning platform for education enabling students, teachers and parents globally to engage with world class Science, Technology, Engineering and Mathematics (STEM) programmes, challenges, projects and careers.