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BiologyGuide.app > HBIO1 > Immune System

Reaction to Foreign Material

Antigen

Antibody (Immunoglobin Protein)

Phagocytosis

Types of Immune Response

B-Lymphocytes: Humoral Response

T-Lymphocytes: Cell-Mediated Response

Immunity and Vaccines

 

Active (Antibodies made by the human immune system, long term acting due to memory cells)

Passive (Given-Antibodies, short term acting)

Natural

- Response to disease
- Rejecting transplant

- Acquired antibodies
(via placenta, breast milk)

Artificial (immunisation)

Vaccination
(Injection of the antigen in a weakened form)

- Injection of antibodies from an artificial source, e.g. anti venom against snake biter

Differences

- Antibody in response to antigen
- Production of memory cells
- Long lasting

- Antibodies provided
- No memory cells
- Short lasting

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Monoclonal Antibodies (Magic Bullets)