Williams syndrome: A genetic disorder characterized by mild mental retardation, unique personality characteristics, unusual facial features, and cardiovascular disease. The level of calcium tends to be high in blood (hypercalcemia) and urine (hypercalciuria).
Long March: Long March, (1934â35), the 6,000-mile (10,000-km) historic trek of the Chinese communists, which resulted in the relocation of the communist revolutionary base from southeastern to northwestern China and in the emergence of Mao Zedong as the undisputed party leader. Fighting Nationalist forces
Mao himself had been demoted before the march and was also sick with malaria. He had to be carried for the first several weeks in a litter, borne by two soldiers. Mao's wife, He Zizhen, was very pregnant when the Long March began. She gave birth to a daughter along the way and gave the child to a local family.