France and the United Kingdom agreed to support Poland and in August of 1939, German troops began to gather on the Polish border. By September 1st, Germany launched an invasion of Poland.
The brachial plexus is a network of nerves that originate in the neck region and branch off to form most of the other nerves that control movement and sensation in the upper limbs, including the shoulder, arm, forearm, and hand.
1. The celiac plexus is a bunch of nerves that supplies the sensation from organs in your abdomen (e.g., pancreas, bowel, etc.). In your case, your doctor feels as though this plexus may be transmitting pain signals that are causing you pain. The plexus is located along the side of your spine. Local anesthetic is injected if a diagnostic block is performed to help determine the source of your abdominal pain.