Central nervous system - Development. 1  During early development of the vertebrate embryo, a longitudinal groove on the neural plate gradually deepens and the ridges on either side of the groove (the neural folds) become elevated, and ultimately meet, transforming the groove into a closed tube called the neural tube.
Haym Salomon. Haym Salomon (also Solomon; April 7, 1740 â January 6, 1785) was a Polish-born American Jewish businessman and political financial broker who immigrated to New York City from Poland during the period of the American Revolution.
Some abolitionists and slaveholders discussed the idea of setting up a colony in Africa for freed African-American slaves. The first ship, Mayflower of Liberia (formerly Elizabeth), departed New York on February 6, 1820, for West Africa, with 86 settlers.y mid-2003, LURD controlled the northern third of the country and was threatening the capital, MODEL was active in the south, and Taylor's government controlled only a third of the country: Monrovia and central Liberia.