Rheobase is a measure of membrane excitability. In neuroscience, rheobase is the minimal current amplitude of infinite duration (in a practical sense, about 300 milliseconds) that results in the depolarization threshold of the cell membranes being reached, such as an action potential or the contraction of a muscle. In Greek, the root `rhe` trans.....
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http://en.wikipedia.org/wiki/Rheobase
minimum value over all stimulus durations of stimulus intensity for eliciting a response
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http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=891-02-40
The minimal strength of an electrical stimulus of indefinite duration that is able to cause excitation of a tissue, e.g., muscle or nerve. ... See: chronaxie. ... Synonym: galvanic threshold. ... Origin: rheo-+ G. Basis, a base ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973
(re´o-bās) the minimal electric current of infinite duration necessary to produce a twitch in a muscle. In a strength-duration curve for muscle stimulation, it is the voltage at which there is no further decrease in threshold when the pulse width or duration is increased.
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http://www.encyclo.co.uk/local/21001
Type: Term Pronunciation: rē′ō-bās Definitions: 1. The minimal strength of an electrical stimulus of indefinite duration that is able to cause excitation of a tissue, muscle or nerve. Synonyms: galvanic threshold
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http://www.medilexicon.com/medicaldictionary.php?t=78176
rheobase, rheobasis, rheobasic The minimal or liminal electric stimulus that will produce a response or that is able to cause excitation of a issue, e.g., muscle or nerve.
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http://www.wordinfo.info/words/index/info/view_unit/1845/
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