Explaining the Immune System

copyright (c) 1996, Jim Middleton, Animating Apothecary

OK, this really means something.  Not sure what, but it means something.  All right, since you asked nicely, this is an example of antigens attaching to Immune Globulin E, which then locks into a mast cell causing the release of histamine which then leads to vasodilation of nasal capillaries, ultimately causing rhinitis secondary to allergies.  Either that, or I watched 2001 just once too often.....