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Exogenous Signaling Agents

Meaning

Exogenous Signaling Agents are defined as any chemical entities introduced into the biological system from an external source intended to mimic, block, or otherwise modulate the body’s native communication signals. These agents often target hormone receptors or neurotransmitter systems to elicit a specific physiological response. They represent pharmacological tools used to override or supplement endogenous regulatory mechanisms. We use them to intentionally shift the hormonal milieu.