Synonyms: GO:0007242, GO:0007243, GO:0023013, GO:0023034, intracellular signaling chain
Definition: 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.
GO:0007165 - signal transduction
Unification Links: GO:0035556
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