Moderate as in allergen A substance present in the blood, serum, or tissues that stimulates the immune system to produce antibodies. Clear All
2 Example Sentences Showcasing the Meaning of 'Antigen'
During the biology class, the teacher discussed how antigens play a crucial role in the body's defense against diseases.
The veterinarian explained that dogs, like humans, can have antigens that help protect them from certain diseases.
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