immune system |
|
|
|
|
|
The body's complex system of blood cells, chemical messengers and other substances that protects the body against unwanted invasions, eg. viruses and infections. Many immune cells, particularly macrophages, produce immunotransmitters, termed cytokines, lymphokines or chemokines. Many of these immune cells occur in the brain as well as the periphery. |
|
|
|
|