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What is Toll-like receptors are expressed in all except and explain in detail?
*Toll like receptors are a type of "pattern recognition receptors" that recognize the microbe structural pattern and binds to it.*These receptors are present in cells involved in innate immunity like the epithelial barrier, macrophages, dendritic cells, and T-lymphocytes.*B-cells are involved in adaptive immunity and they do not have Toll-like receptors.(Ref: Robbins 8/e p184)