Made by trilineage myeloid stemcells-

and produces...

neutrophils-main bacteria defence

eosinophils-parasitic defense

basophils/masts-allergic

come from bone marros to lymphoid stem cells and then

makes bcells

tcells

from trilineage myleoid stems

precursor to platelets

from trilineage myseloid stem

precursor to erthyrocytes

First response

for bacterial/parasitic infx

Innate system consists of:

granulocytes, mast cells, antigen presenting cells (macrophages, dendritic cells)

role: phagocytosis of bacteria or parasite producing

antigens with MHC protein on surface

result: MHC class II causes cd4+t cells respond  for bacteria

-Nucleated cells /MCH I attract CD8+t cells for viruses (proteins displayed to differentiate from self)

-Adaptive immune system activated 

-specific response 

-generated MHC protein and displayed antigen causing B/T cell interaction

-Knows native/foreign

Produce...

Cytoxic T cells: CD8+ T cell that mediate cell death (Virus MHCI)

T-helper: CD4+ T cell that regulates cytokines-->B cell release(bacteria MHC II)