Changes

<p>The cells can be divided into two subsets:

<p>The cells can be divided into two subsets:

*One with restricted antigen binding, that act as first line defence against invading organisms and recognises antigens bound to MHC I complex

*One with restricted antigen binding, that act as first line defence against invading organisms and recognises antigens bound to MHC I complex

*The other subset doesn’t require the MHC complex and this subset has a further two subsets

*The other subset doesn’t require the MHC complex and this subset has two further divisions

** One producing cytokines and chemokines  (Th1 and Th2)  

** One producing cytokines and chemokines  (Th1 and Th2)  

**The other having cytotoxic effects.</p>

**The other having cytotoxic effects.</p>

[[Category:Lymphocytes|B]]

[[Category:Lymphocytes|B]]