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.
The pampiniform plexus is a loose network of small veins found within the male spermatic cord. The plexus begins in the scrotum with veins arising from the mediastinum testis, an area of connective tissue at the back of the testis.