Cell recognition
- Created by: Eema003
- Created on: 07-05-16 15:42
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- Cell recognition
- In fetus lymphocytes are constantly colliding with other cells
- Low chance of of infection due to protection from placenta
- Therefore almost exclusively collide with body cells
- Some lymphocytes have receptors which fit those on self material
- These lymphocytes die
- The only remaining lymphocytes are those that fit non-self material
- These lymphocytes die
- Some lymphocytes have receptors which fit those on self material
- Therefore almost exclusively collide with body cells
- Low chance of of infection due to protection from placenta
- In adults lymphocytes are produced in the bone marrow, initially only encounter self-antigens.
- Any lymphocytes that show an immune response to self-antigens undergo apoptosis
- In fetus lymphocytes are constantly colliding with other cells
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