Daniella Concepts and Muddiest Points 1. In the danger

Daniella Owusuwaah

BIOS 5860

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January 24th 2018

 

5      Important
Concepts and Muddiest Points

 

1.    
In
the danger model any stress or damage to the cell will stimulate the tissue to
activate the immune system to elicit a response.

2.    
In
the immune system there are three phagocytic cells; macrophages, dendritic
cells, and neutrophils they play a huge role in tackling infections.

3.    
The
lymphoid organs are divided into primary and secondary; primary is where
lymphocytes are created and the secondary is where the mature lymphocytes are
activated.

4.    
The
spleen has various role in the immune system: 
filtering the blood, storing white blood cells, and helping to fight
infections.

5.    
Immunization
is very important in developing and strengthen the immune system in how it acts
as a primary response and in the establishment of memory cells.

 

1.     Even
though we discussed it in class, the differences between immunogens and
antigens still puzzles me.

2.     In
lecture you mentioned that the number of lymph nodes varies from person to person
what factors play into the variability in the amount of lymph nodes.

3.     Is
the difference between the structure of B-cell and T-cell receptor play a role
in how they function?