Immune Response. Innate Immune Response. The Immune System. The immune system is a group of cells & soluble molecules, which interact & distinguish patterns in the body as “self” or “non-self,” in order to eliminate those that are “non-self.” “Non-self” entities include:
Innate Immune Response
Inflammatorychemicalsdiffusingfrom theinflamed siteact as chemotacticagents.
Leukocytosis.Neutrophils enter bloodfrom bone marrow.
Margination.Neutrophils clingto capillary wall.
Diapedesis.Neutrophils flatten andsqueeze out of capillaries.
Figure 21.4, step 4