
HealthSeptember 1, 1993
How the Immune System Develops
Environmental and genetic signals cue cells as they differentiate into the many lineages that recognize foreign antigens and fight off invaders

How the Immune System Develops
Environmental and genetic signals cue cells as they differentiate into the many lineages that recognize foreign antigens and fight off invaders

The Development of the Immune System
The highly diversified cells that defend the body against foreign substances derive from a single kind of precursor. Differentiation of the cells is controlled by the environment in which they mature