Self-Antigens
Antigens on host cells Not recognized as immunogenic by host’s
immune system
A condition called tolerance
7
INDUCTION OF IMMUNE RESPONSE
network Recognizes & responds to antigens
4
Cells & molecules of the immune system protect the nose from attack by a virus
CHARACTERISTICS OF IMMUNE RESPONSE
chromosome 6 (A, B, C & D complex) Antigens produced by A, B & C loci found on surface of most cells except erythrocytes D complex consists of 3 independent loci (DR, DP, DQ) Confined to B cells, macrophages, some epithelial cells & some stimulated T lymphocytes
inflammatory response Inflammatory & immune responses
complement each other & interact in complex ways
3
THE IMMUNE SYSTEM
Extraordinary complex system Elaborate & dynamic communication