occurs in occurs in intracellular anatomical structure signal transduction intracellular signal transduction 2010-05-14T01:14:37Z GO:0007242 GO:0007243 GO:0023013 GO:0023034 GO:0035556 bf biological_process intracellular signaling pathway intracellular signaling chain The process in which a signal is passed on to downstream components within the cell, which become activated themselves to further propagate the signal and finally trigger a change in the function or state of the cell. intracellular signaling cascade intracellular signal transduction pathway signal transduction via intracellular signaling cascade intracellular protein kinase cascade signal transmission via intracellular cascade protein kinase cascade