Changes

===Structure===

===Structure===

* MHC class II is expressed mainly on '''macrophages''', '''dendritic cells''' and '''B-lymphocytes'''

* MHC class II is expressed mainly on [[Macrophages - WikiBlood|macrophages]], [[T cell differentiation - WikiBlood#Antigen Presentation by Dendritic Cells|dendritic cells]] and [[Lymphocytes - WikiBlood#B Cells|B-lymphocytes]]

* MHC class II consists of membrane-associated α and β chains

* MHC class II consists of membrane-associated α and β chains

**  Each chain is a transmembrane glycoprotein

**  Each chain is a transmembrane glycoprotein