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MedTerms Medical Dictionary

Provided by MedicineNet.com

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Macrophage: A type of white blood that ingests (takes in) foreign material. Macrophages are key players in the immune response to foreign invaders such as infectious microorganisms.

Blood monocytes migrate into the tissues of the body and there differentiate (evolve) into macrophages.

Macrophages help destroy bacteria, protozoa, and tumor cells. They also release substances that stimulate other cells of the immune system. And they are involved in antigen presentation. To do this, they carry the antigen on their surface and present it to a T cells.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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Information in the MedTerms Medical Dictionary is provided for informational purposes only and is not a substitute for professional medical advice. You should not use this information for diagnosing or treating a medical or health condition. You should carefully read all product packaging. If you have or suspect you have a medical problem, promptly contact your professional healthcare provider.

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