Source google image: https://upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Gap_cell_junction-en.svg/440px-Gap_cell_junction-en.svg.png
Schema synapse electrique
Source google image: https://upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Gap_cell_junction-en.svg/440px-Gap_cell_junction-en.svg.png