Immunology

1. Name the first cell which recruited at the place of infection.
4. The product formed by the fusion between the phagosome and a lysosomes.
5. Name the class of MHC which is recognised by CD4 TH cells.
7. A receptor, which contribute the secretory components to Ig A and Ig M
8. A process that enhances the phagocytosis activity of antigen by macrophages and neutrophils.
14. A transporter protein which belong to ATP binding cassette family involved in Antigen processing.
15. The name of MHC in human.
16. Antibacterial enzymes found in tears.
18. The first granulocyte to respond to an inflammatory response.
19. The only immunoglobulin able to cross the placenta.

1. The site of B lymphocyte maturation.
2. Immunity present from birth.
3. The type of graft which can be transferred between genetically identical twins.
6. Immunoglobulin molecule which has 10 antigen binding sites.
9. substances that mixed with an antigen then injected with it, enhances the immunogenicity of that antigen.
10. a large, ovoid secondary lymphoid organ situated high in the left abdominal cavity.
11. The branch of biology, which involves the study of immune systems
12. An organ involved in the maturation of T cells.
13. fragments of antibody that binds to antigen
17. A small segment of invariant chain.