electroplaque

/AH0 L EH1 K T R AH0 P L AH0 K/
noun
  1. 1

    A modified striated muscle cell that does not contract, but produces electric signals; the component of the electric organ in some fish.

Source: https://en.wiktionary.org/wiki/electrocyte, https://en.wiktionary.org/wiki/electroplaque