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What is the sensitization phase in allergic contact dermatitis?
Haptens penetrate epidermis->activate langerhan cells->lymph nodes->activate naive T cells
What is the elicitation phase in allergic contact dermatitis?
Re-exposure to haptens->type IV hypersensitivity reaction-> sensitized Tcells circulate to skin where antigen is
What is a hapten?
low molecular weight antigen
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