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[kroh-nak-see, kron-ak-] /ˈkroʊ næk si, ˈkrɒn æk-/

noun, Physiology.
the minimum time that an electric current of twice the threshold strength must flow in order to excite a tissue.
(physiol) the minimum time required for excitation of a nerve or muscle when the stimulus is double the minimum (threshold) necessary to elicit a basic response Compare rheobase

chronaxie chro·nax·ie or chro·nax·y (krō’nāk’sē, krŏn’āk’-)
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.


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