Examlex
The body gains fluids by four of the following means. Which one is the exception?
Allergen
A substance that stimulates an allergic reaction.
IgE
Immunoglobulin E, a class of antibodies produced by the immune system in response to allergens, responsible for allergic reactions.
Mast Cell
A type of white blood cell part of the immune system, containing granules rich in histamine and heparin, involved in allergic reactions and inflammation.
Histamine
A compound released by cells in response to injury and in allergic and inflammatory reactions, causing contraction of smooth muscle and dilation of capillaries.
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