title: Gap junctions, electrotonic coupling, and intercellular communication.
mesh_terms: D000818:Animals; D001001:Anura; D002450:Cell Communication; D002463:Cell Membrane Permeability; D004594:Electrophysiology; D004625:Embryo, Nonmammalian / Q000502:physiology; D005614:Freeze Fracturing; D007365:Intercellular Junctions / Q000378:metabolism / Q000502:physiology* / Q000648:ultrastructure; D008854:Microscopy, Electron; D012160:Retina / Q000502:physiology / Q000648:ultrastructure; D009435:Synaptic Transmission; D014961:X-Ray Diffraction; D014981:Xenopus