At present, we do not fully understand at what stage of the evolution of living matter the first traces of defense reactions occurred. We even do not fully understand how and why immune systems reached their contem- porary state in advanced vertebrates and man. It may be expected that in the near future these questions will be answered by comparative and develop- mental biology. Together with an extraordinary explosion of our knowledge about immunity...
Related Subjects
Medical Medical Books Science Science & Math Science & Scientists Science & Technology