An intercellular junction with a gap of about 2-4 nm between the plasma membranes of two cells, spanned by protein channels that allow passage of chemical substances or electrical signals.
GAP JUNCTION: "Gap junction is found between 2 cells."
Cite this page: N., Sam M.S., "GAP JUNCTION," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/gap-junction/ (accessed June 25, 2022).