(from the article `tropism`) ...to gravity), chemotropism (response to particular substances), hydrotropism (response to water), thigmotropism (response to mechanical ... Found on http://www.britannica.com/eb/a-z/g/5
Synonym for galvanotaxis ... <physiology> The directed movement of cells induced by an applied voltage. This movement is almost always directed toward the cathode, occurs at fields around 1 mV/mm and is argued to be involved in cell guidance during morphogenesis and in the repair of wounds. ... The term galvanotropism is used for neurons, sin... Found on http://www.encyclo.co.uk/local/20973
Gal`va·not'ro·pism noun [ Galvanic + Greek ... to turn.] (Botany) The tendency of a root to place its axis in the line of a galvanic current. Found on http://www.encyclo.co.uk/webster/G/6