Chronaxies

WebA comparison of chronaxies for ventricular fibrillation induction, defibrillation, and cardiac stimulation: unexpected findings and their implications It may be reasonable to study … WebElectro- cortical activity was recorded from screw electrodes in contact with the dura. Chronaxies were calculated from strength-duration data using the equation: chronaxie = …

Heterochrony Definition & Meaning Merriam-Webster Medical

WebClassically, to electrically excite C-nociceptors, rectangular pulses are used with a duration close to the estimated chronaxie of C-fibres (about 2 ms). Recent results using slow … Webnoun. chron· ax· ie ˈkrō-ˌnak-sē. ˈkrä-. variants or less commonly chronaxy. : the minimum time required for excitation of a structure (such as a neuron) by a constant electric … raw speaker mode is not supported. do not use https://erikcroswell.com

Excitability of EEG “synchronizing” and ... - ScienceDirect

Web—— Chronaxies des nerfs sensitifs rachidiens du membre supérieur de l'homme. J. Radiol. et Électrol.6, 535 (1922). Google Scholar —— L'emploi des méthodes électriques dans le diagnostic et le prognostic des paralysies etc. J. Radiol. … Webn. pl. chro·nax·ies. The minimum interval of time necessary to electrically stimulate a muscle or nerve fiber, using twice the minimum current needed to elicit a threshold response. … WebDefinition. noun, plural: chroaxies. (physiology) The shortest period of time required to produce an effective electrical stimulation such that the stimulus strength is twice the rheobase. Supplement. What happens when a cell membrane reaches threshold? When the depolarization reaches about -55 mV a neuron will fire an action potential. raw spanish peanut recipes

Chronaxie - definition of chronaxie by The Free Dictionary

Category:Axons, but not cell bodies, are activated by electrical stimulation in ...

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Chronaxies

Chronaxis - definition of chronaxis by The Free Dictionary

WebChronaxies of the various tissues are as follows: i. The tissues of the new-born child possess chronaxies which are ten times longer than those of adults. This explains the … Webchro·nax·ie. also chro·nax·y (krō′năk′sē, krŏn′ăk′-) n. pl. chro·nax·ies. The minimum interval of time necessary to electrically stimulate a muscle or nerve fiber, using twice the minimum current needed to elicit a threshold response. [French : Greek khronos, time + Greek axiā, value (from axios, worthy; see ag- in Indo ...

Chronaxies

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Web1. : deviation from the typical embryological sequence of formation of organs and parts as a factor in evolution. 2. : irregularity in time relationships. specifically : the existence of … WebLooking for chronaxies? Find out information about chronaxies. The time interval required to excite a tissue by an electric current of twice the galvanic threshold. McGraw-Hill …

WebB Distribution of chronaxies for antidromic activation. Recordings were intracellular for five neurons and extracellular for 29. The thick-line histogram corresponds to chronaxies obtained after ... Webplural of chronaxie ... Definition from Wiktionary, the free dictionary

WebJul 17, 2015 · The short chronaxies we obtained for the axons, on the order of 100 microseconds, are more characteristic of myelinated neurons, where a whole range of chronaxies has been observed, depending on the axon geometry and degree of myelination At the slowest extreme, the chronaxies are on the order of a millisecond, … Webn. pl. chro·nax·ies. The minimum interval of time necessary to electrically stimulate a muscle or nerve fiber, using twice the minimum current needed to elicit a …

WebNov 26, 2024 · The nociceptive withdrawal reflex (NWR) is used to investigate nociception in horses. The NWR threshold is a classical model endpoint. The aims of this study were to determine NWR tolerance and to compare threshold and tolerance reflexes in horses. In 12 horses, the NWR was evoked through electrical stimulation of the digital nerve and …

WebJan 1, 1985 · Rheobases, chronaxies and limit threshold charges were determined from experimental data. At implant, the strength-duration curve for the conventional electrode was under the strength-duration ... raw speakers 12 inch woofer 8 ohmWebLooking for chronaxies? Find out information about chronaxies. The time interval required to excite a tissue by an electric current of twice the galvanic threshold. McGraw-Hill Dictionary of Scientific & Technical... Explanation of chronaxies raw speaker wire outputsWebalso chro·nax·y (krō′năk′sē, krŏn′ăk′-) n. pl. chro·nax·ies. The minimum interval of time necessary to electrically stimulate a muscle or nerve fiber, using twice the minimum current needed to elicit a threshold response. [French : Greek khronos, time + Greek axiā, value (from axios, worthy; see ag- in Indo-European roots ).] raw spectrum翻译WebWhat is rheobase and chronaxie? Rheobase is the lowest intensity with indefinite pulse duration which just stimulated muscles or nerves. …. Chronaxie is the tissue … raw speed logoWebchronaxy / ( ˈkrəʊnæksɪ) / noun physiol the minimum time required for excitation of a nerve or muscle when the stimulus is double the minimum (threshold) necessary to elicit a … simple lynx drawingWebchro·nax·ie ( krō'nak-sē ), A measurement of excitability of nervous or muscular tissue; the shortest duration of an effective electrical stimulus having a strength equal to twice the minimum strength required for excitation. Synonym (s): chronaxia, chronaxis, chronaxy [G. chronos, time, + axia, value] rawspeed golf swing trainerChronaxie is the tissue-excitability parameter that permits choice of the optimum stimulus pulse duration for stimulation of any excitable tissue. Chronaxie (c) is the Lapicque descriptor of the stimulus pulse duration for a current of twice rheobasic (b) strength, which is the threshold current for an infinitely long … See more Chronaxie is the minimum time required for an electric current double the strength of the rheobase to stimulate a muscle or a neuron. Rheobase is the lowest intensity with indefinite pulse duration which just stimulated muscles … See more The terms chronaxie and rheobase were first coined in Louis Lapicque’s famous paper on Définition expérimentale de l’excitabilité that was published in 1909. The above I(d) … See more The main value of chronaxie is comparing excitability across different experiments and measurements using the same standard, thus making data comparisons easier. Electrical stimulation based on chronaxie could regulate myoD gene expression in … See more • Bursting • Calcium channels • Epithelial sodium channel • Ion channels See more An electrode is inserted into the muscle of interest, which is then stimulated using surface current. Chronaxie values increase resulting from hyperventilation can be ascribed to a … See more Chronaxie is increased in the tetany of hypoparathyroidism. It must be remembered, however, that it is the rheobase which corresponds to the x.c.c. of electrical … See more Acute intoxication of rats with aldrin decreases chronaxie, whereas chronic exposure to this chlorinated hydrocarbon insecticide has the reverse effect. Chronic exposure of rats to the closely related epoxide, dieldrin, has been suggested to reduce their … See more rawspeed motorsport