chronaxie


Also found in: Medical, Encyclopedia, Wikipedia.
Related to chronaxie: rheobase

chro·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-European roots).]

chronaxie

(ˈkrəʊnæksɪ) or

chronaxy

n
(Physiology) 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
[C20: from French, from chrono- + Greek axia worth, from axios worthy, of equal weight]

chro•nax•ie

or chro•nax•y

(ˈkroʊ næk si, ˈkrɒn æk-)

n.
the minimum time that an electric current of twice the threshold strength must flow in order to excite a muscle or nerve tissue.
[1915–20; < French, =chron- chron- + -axie < Greek axía worth, value]
Mentioned in ?
References in periodicals archive ?
Sensations, such a pressure, heat, tickle, can all be produced by varying the chronaxie, an electrical pulse varyin g in length of time.
A strength-duration threshold curve along with its rheobase and chronaxie values was constructed from the threshold points.
Variable Rheobase (V) Chronaxie ([micro]s) Number Median Nerve 15.