Demonstration of "gap junctions" between smooth muscle cells.
D000818:Animals; D002462:Cell Membrane; D002645:Chickens; D005895:Gizzard, Avian / Q000166:cytology; D006168:Guinea Pigs; D006352:Heart Ventricles; D008854:Microscopy, Electron; D009130:Muscle, Smooth / Q000166:cytology*; D009206:Myocardium / Q000166:cytology; D012756:Sheep; D014513:Ureter / Q000166:cytology