Phagocytes

Discovery of phagocytes, semi-independent cells in animals capable of ingesting small particles and bacteria, was made. This discovery highlighted the importance of white blood cells in the immune system.
 Élie Metchnikoff France 1883 Phagocytes

Discovery of phagocytes, semi-independent cells in animals capable of ingesting small particles and bacteria, was made. This discovery highlighted the importance of white blood cells in the immune system.