electrotonus

noun
elec·trot·o·nus | \i-ˌlek-ˈträ-tə-nəs \

Definition of electrotonus 

: the altered sensitivity of a nerve when a constant current of electricity passes through any part of it

First Known Use of electrotonus

1860, in the meaning defined above

History and Etymology for electrotonus

New Latin

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The first known use of electrotonus was in 1860

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electrotonus

noun
elec·trot·o·nus | \i-ˌlek-ˈträt-ᵊn-əs \

Medical Definition of electrotonus 

: the altered sensitivity of a nerve when a constant current of electricity passes through any part of it

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