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.
Santa has gotten some questions about the Reindeerâs birthdays so we went out to verify directly from them what their birthdays were: Dasher: March 28. Dancer: April 10. Prancer: April 16. Vixen: May 10. Comet: May 1. Cupid: April 6. Dunder/Donder/Donner (Rudolphâs dad): April 27. Blitzen/Blixem/Blixen: March 10. Rudolph: May 22. Reindeer are usually born in the spring, like most deer and Santaâs Reindeer are no exception, with some a bit earlier, and some a bit later.