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.
M assachusetts Colony was a hotbed of sedition in the spring of 1775. Preparations for conflict with the Royal authority had been underway throughout the winter with the production of arms and munitions, the training of militia (including the minutemen), and the organization of defenses.