+**Cyclic AMP** (cAMP) is a vital [second messenger](/wiki/second_messenger), a molecule that relays signals from a cell's exterior to its interior. It plays a key role in various [cell signaling](/wiki/cell_signaling) pathways, orchestrating diverse biological responses within the body.
+## See also
+- [Protein Kinase A](/wiki/protein_kinase_a)
+- [Signal Transduction](/wiki/signal_transduction)
+- [ATP](/wiki/atp)
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