lmmune system

lmmune system
Dr.Baha,Hamdi.AI-amiedi
Immune system :The Immune system comprise a network cells with each other cooperates directly to reach the effectors mechanism. and defense the body .against invaders , back to the (1960) the immune system has been structurally and functionally confined to lymphoid system .Recently however immune system may be of six component as in the following:
the immune sysrem component
. 5-Lymphoid cimmune system may be of six component as in the following
. 1-genetic component
. 2-Haemopietic component
. 3-Reticulo endothelial component
4-complement omponent
. 6-mucosal component


genetic component: The immune system structures &functions are encoded by set of genes like control Immune response, immunoglobulin synthesis and The genes of MHC system involved in rejection of foreign tissue from a region known as the Major histocompatability complex (MHC) that contain several Polymorphic genes which expressed on the surface of all nucleated cells consist of two classes (class I and class II) .These act as peptide receptors and are important in Antigen presentation after processing the Antigen