Electric tone
The electrotonus (from electro- for “ electrical ” and Greek tonos “voltage”) or the electrotonic potential is a potential curve that is triggered by the flow of current when a cell is stimulated intracellularly with a constant current . The resulting depolarization of the cell membrane causes a decrease in the resting membrane potential of the cell. This initially strong decrease takes place more slowly with increasing time until a value is reached at which the membrane no longer discharges.
The course and size of the electrical tone depend on the ion concentration and shape of the cell.
See also
literature
- Lexicon of Biology. Volume 5. Spectrum Akademischer Verlag, Heidelberg, 2000 ISBN 3-8274-0330-8