Pathology All of the following are pattern recognition receptors for extracellular/ingested microbes, except: A Toll-like receptors (TLRs) B Killer-cell immunoglobulin receptors (KIRs) C NOD-like receptors (NLRs) D C-type lectin receptors (CLRs) 💡 Explanation All of the following are pattern recognition receptors for extracellular/ingested microbes, except: ✓ Correct Answer: B. Killer-cell immunoglobulin receptors (KIRs)