IandI class assignment

1) Naïve T cells have the potential to differentiate into several types of effector cells.  In the space below, describe the roles and activities of each of these cells: 

  

  TH1 cells 

 

 

TH2 cells 

 

 

TH17 cells 

 

 

TFH cells 

2) Use the following diagram to compare and contrast systemic immunity and mucosal immunity. 

  

Systemic	Both Systemic and Mucosal	Mucosal
ordinary surface epithelia

 

Why is there a need for these differences in the first place?