1. THE IMMUNE SYSTEM LECTURER: DAVID

19. ANTIGEN-ANTIBODY INTERACTIONS

20. INNATE VERSUS ADAPTIVE RESPONSE INNATEADAPTIVE

21. ANTIBODY!

22. ANTIBODY STRUCTURE

23. WHAT IS AN ANTIBODY??

24. BUT WHAT IS AN ANTIGEN???

25. SUMMARY

26. ANTIBODY FUNCTIONS

27. NEUTRALIZATION

28. OPSONIZATION

29. PHAGOCYTOSIS

30. COMPLEMENT

31. AGGLUTINATION

33. ABO BLOOD GROUPS

34. THERE ARE LOTS OF TYPES OF ANTIBODIES

35. IgG

36. IgA

37. IgM

38. IgE

39. IgD

40. OBJECTIVES

41. QUESTION Which immunoglobulin can cross the placenta?

42. ANSWER IgG

43. QUESTION If you mix a person with type A blood and anti-A antibodies, will agglutination occur?

44. ANSWER Yes

45. QUESTION What is the difference between neutralization and opsonization?

46. ANSWER Neutralization – antibody binds a toxin and makes it harmless Opsonization – antibody binds an antigen and targets it for phagocytosis