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Molecular Biology

Second Messenger

A second messenger is an intracellular signaling molecule generated or regulated after receptor activation.

Molecular Biology

Scientific Context

Examples in research include cAMP, calcium, IP3, and other molecules that transmit signals from receptors to downstream pathways.

Related Concepts

Signal TransductionGPCRBiological Pathway
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Related Research Resources

Related Glossary Terms

Biological PathwaySignal TransductioncAMPEndogenousMechanism of ActionAgonist

Last updated 2026-07-19. Scientific education only. Not for human or veterinary use.

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