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Molecular Biology

Endogenous

Endogenous describes a molecule, receptor, or process that originates within a biological system.

Molecular Biology

Scientific Context

Researchers distinguish endogenous ligands and pathways from externally introduced compounds when interpreting experimental responses.

Related Concepts

LigandReceptorBiological Pathway
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Related Research Resources

Related Glossary Terms

Biological PathwayLigandReceptorSignal TransductionSecond MessengerAffinity

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

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