dmdj
neutrophils
Histamine
Histamine
Actualy white blood cells release histamine.
Histamine
Basophils release histamine (vasodilator) and heparin (anticoagulant) during inflammatory or allergic reactions.
Histamine is released by basophils and mast cells in near by connective tissue which is an immune response to foreign pathogens.
There are a number of chemicals, I assume you are interested in the main one, which is Histamine. Histamine triggers the inflammatory response and increases the permeability (the ability to pass through the wall) of the capillaries to white blood cells to fight foreign bodies (the allergen) in the body. When you get hay fever you go to the chemist to get an anti-histamine so as to stop the body's normal response to the allergen like running nose or watery eyes.
Purpose of histamine is to trigger immune response for foreign bodies
It's general biochemical name is an Antigen - anti = against and gen = genesis.
Histamine is an organic nitrogen compound involved in local immune response.
Histamine
one way the inflammatory response will respond if the pathogen does enter