Erethism

[eriθizm]

(noun.) an abnormally high degree of irritability or sensitivity to stimulation of an organ or body part.

Typed by Helga--From WordNet

(n.) A morbid degree of excitement or irritation in an organ.

Checked by Brett

n. excitement or stimulation of any organ.—adjs. Erethis′mic Erethis′tic Erethit′ic.

Editor: Stephen