1. Fig. 8.3 ©Scion Publishing Ltd

2. Fig. 8.4 ©Scion Publishing Ltd

3. Fig. 8.5 ©Scion Publishing Ltd

4. Fig. 8.6 ©Scion Publishing Ltd

5. Fig. 8.7 ©Scion Publishing Ltd

6. Fig. 8.9 ©Scion Publishing Ltd

7. Fig. 8.10 ©Scion Publishing Ltd

8. Fig. 8.11 ©Scion Publishing Ltd

9. Fig. 8.12 ©Scion Publishing Ltd

10. Fig. 8.13 ©Scion Publishing Ltd

11. Fig. 8.14 ©Scion Publishing Ltd

12. Fig. 8.15 ©Scion Publishing Ltd
Redrawn from Immunobiology 5th edn with permission from Garland Science.

13. Fig. Box 8.2 ©Scion Publishing Ltd

14. Fig. Box 8.3 ©Scion Publishing Ltd