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Medical Definition of Toll receptor

Toll receptor: One of a family of receptors that provide a critical link between immune stimulants produced by microorganisms and the initiation of the host defense. Activation of the toll receptors causes the release of antimicrobial peptides, inflammatory cytokines, and molecules that initiate adaptive immunity.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 12/22/2016

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