The Posterior Lobe of the Pituitary Gland (or neurophpophysis) stores and releases hormones secreted by the hypothalamus section of the brain including: 1  ADH (Antidiuretic hormone) stimulates the smooth muscles, blood vessels and the intestine.
In 1922, the Communists were victorious, forming the Soviet Union with the unification of the Russian, Transcaucasian, Ukrainian, and Byelorussian republics. Following Lenin's death in 1924, a troika and a brief power struggle, Joseph Stalin came to power in the mid-1920s.he Soviet Union was a single-party state, governed by the Communist Party with Moscow as its capital. The Soviet Union had its roots in 1917 when the Bolsheviks, headed by Vladimir Lenin, led the October Revolution which overthrew the provisional government that had replaced the Tsar.
The USSR was formed on 30 December 1922 with the signing of the Treaty on the Creation of the USSR. This Treaty legalized the creation of a union of several Soviet Republics into the USSR. The signatories to this treaty were Russia SFSR, Ukraine SSR, Byelorussian (Belarus) SSR and Transcaucasian SFSR.he USSR was formed on 30 December 1922 with the signing of the Treaty on the Creation of the USSR. This Treaty legalized the creation of a union of several Soviet Republics into the USSR. The signatories to this treaty were Russia SFSR, Ukraine SSR, Byelorussian (Belarus) SSR and Transcaucasian SFSR.