chronaxie

chronaxie

[kroh-nak-see, kron-ak-]
noun Physiology.
the minimum time that an electric current of twice the threshold strength must flow in order to excite a tissue.
Also, chronaxy.


Origin:
1915–20; < French, equivalent to chron- chron- + -axie < Greek axía worth, value

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World English Dictionary
chronaxie or chronaxy (ˈkrəʊnæksɪ)
 
n
physiol Compare rheobase 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
 
[C20: from French, from chrono- + Greek axia worth, from axios worthy, of equal weight]
 
chronaxy or chronaxy
 
n
 
[C20: from French, from chrono- + Greek axia worth, from axios worthy, of equal weight]

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Medical Dictionary

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.

The American Heritage® Stedman's Medical Dictionary
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