An antibody is a protein used by the immune system to identify and neutralise foreign objects like bacteria and viruses. Each antibody recognises a specific antigen unique to its target. Production of antibodies is referred to as the humoral immune system.
Rudolf Ludwig Carl Virchow was born on October 13, 1821 in the town of Schivelbein, in the German Kingdom of Prussia. Today the town is called Åwidwin and lies in Poland. His father was Carl Christian Siegfried Virchow, a farmer, and town treasurer of Schivelbein; his mother was Johanna Maria Hesse.
Rudolf Virchow: He was a German doctor, anthropologist, pathologist, prehistorian, biologist and politician, who stated that all living things come from other living things. Louis Pasteur: He was a French chemist and microbiologist, who contributed to the cell theory by disproving spontaneous generation. Zacharias Janssen: His invention of the microscope and telescope helped lead to the rejection of spontaneous generation, because it helped to look at things from a clearer perspective.