A substance created by treating a toxin so that it loses its poisonous properties but retains the ability to stimulate an immune response, used in vaccines.
From Greek 'ana-' (back, up) + 'toxicon' (poison). This is a shortened form of 'anatoxin,' coined in immunology to describe detoxified poison compounds.
Anatoxin is the scientific principle behind how vaccines work—by using poisons that have been chemically de-fanged, our immune system learns to recognize danger without actually getting sick. It's like a fire drill for your body's defense team!
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