Metabolic coupling, ionic coupling and cell contacts.
D000818:Animals; D002448:Cell Adhesion; D002449:Cell Aggregation; D002460:Cell Line; D002478:Cells, Cultured; D004396:Coloring Agents; D006224:Cricetinae; D004594:Electrophysiology; D005347:Fibroblasts; D005613:Freeze Etching; D007042:Hypoxanthines / Q000378:metabolism; D008854:Microscopy, Electron; D010085:Oxidative Phosphorylation; D010873:Pinocytosis; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
D004396:Coloring Agents; D007042:Hypoxanthines; D014316:Tritium; D013936:Thymidine