Intro to immunology part 1
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What is immunology the study of?
All aspects of the host defense against infection.
What are the types of immunity?
- Innate- memory
- Inherent-does the same response every time
- non-specific- not for a specific pathogen; only recognizes antigen.
What are antigens?
How do antigens give rise to their name?
Are antigens part of the immune system?
How do antigens relate to the immune system?
- Are foreign substances.
- antibody generating molecules
by generating antibodies
the immune system responds to them
What are antibodies?
What do antibodies do?
Are they specific for pathogens?
proteins produced by b cells.
mediate the effect of B cells and neutralize foreign molecules.
What are teh adverse consequences of the immune response?
- Hay fever (pollen allergy)
- Contact dermatitis
- Food allergies
- Auto-immune disorders
- Systemic lupus erythematosus
- Celiac disease
- Multiple sclerosis
- Rheumatoid arthritis
What are allergens?
Any substance that stimulates an allergy/allergic reaction.
Allergens are environmental antigens
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