Definitions for galvanotropism

This page provides all possible meanings and translations of the word galvanotropism


  1. galvanotropism(Noun)

    Any movement or alignment of an organism with respect to an electric field

Webster Dictionary

  1. Galvanotropism(noun)

    the tendency of a root to place its axis in the line of a galvanic current

  2. Origin: [Galvanic + Gr. to turn.]


  1. Neuronal galvanotropism

    Neuronal galvanotropism is the ability to direct the outgrowth of neuronal processes through the use of an extracellular electric field. This technique has been researched since the late 1920s and has been shown to direct the formation of both axonic and dendritic processes in cell culture. It is only possible to direct outgrowth of in vitro preparations at this point. In vitro preparations involve the use of a culture dish, in which there is a species-specific neuronal growth factor. Neurons are removed from a chosen animal, plated onto the dish and allowed to grow. The application of an extracellular electric field shows that the cells will grow processes in a direction that demonstrates the direction of the applied electric field. This could be either in the direction of the cathode or anode, depending on the type of substrate the cells are plated onto. The mechanism underlying this behavior is thought to involve the effect of the electric field on receptors and membrane proteins on the cell's surface. These charged proteins would experience an electrophoretic force pulling them toward the oppositely charged pole of the electric field.


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