The way that this works is essentially your- Well, so anaphylaxis is a connective tissue dysfunction. So you ingest it and for the first time, your body sees it as foreign. It's probably your macrophages which are also an immune cell. That's why I said macrophages earlier. They can't get rid of it in a way that a person who doesn't have an allergy to peanuts would. And along comes a T helper cell,. Also, a connectian tissue cell. Yes. The cells have a particular receptor for IgE antibodies. In this case, it's seen as a foreign agent that you should be killing off quickly.