Metabolic cooperation between cells.
D000596:Amino Acids / Q000378:metabolism; D000818:Animals; D002412:Cations / Q000378:metabolism; D002450:Cell Communication; D002454:Cell Differentiation; D002455:Cell Division; D002460:Cell Line; D000242:Cyclic AMP / Q000378:metabolism; D003584:Cytological Techniques; D005796:Genes; D006801:Humans; D006822:Hybrid Cells / Q000378:metabolism; D007365:Intercellular Junctions / Q000378:metabolism*; D009154:Mutation; D009711:Nucleotides / Q000378:metabolism
D000596:Amino Acids; D002412:Cations; D009711:Nucleotides; D000242:Cyclic AMP