单词	chronaxie
释义	chronaxie /ˈkrōˌnaksē/ /ˈkrä- / noun Physiology The minimum amount of time needed to stimulate a muscle or nerve fiber, using an electric current twice the strength required to elicit a threshold response.There were no regular changes revealed in the rheobase of the muscle chronaxie and chronaxie of the defensive reflex after the introduction of Br/sup 82/.... Ganglion cells would be expected to have a chronaxie of less than 1 millisecond like other central nervous system neurons, whereas non-spiking deeper cells have longer chronaxies. The chronaxies of the directly stimulated elements mediating the delay ranged from 0.13 to 0.24 ms.
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