Medical Dictionary

excitable

adj ex·cit·able \ik-ˈsīt-ə-bəl\

Medical Definition of EXCITABLE

of living tissue or an organism :  capable of being activated by and reacting to stimuli :  exhibiting irritability <the biochemistry of excitable membranes—Science>
ex·cit·abil·i·ty \-ˌsīt-ə-ˈbil-ət-ē\ noun, plural ex·cit·abil·i·ties

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