Brain tissue is composed of neurons and other supporting cells, such as glia. Neurons in the brain are interconnected to make functional circuits.If these connections are interrupted as a result of trauma, brain function is impaired.rain tissue is composed of neurons and other supporting cells, such as glia. Neurons in the brain are interconnected to make functional circuits.
Location in Chester County and the state of Pennsylvania. Location of Pennsylvania in the United States. Paoli /peÉªËoÊliË/ is a census-designated place in Chester County near Philadelphia, Pennsylvania, United States. It is situated in portions of two townships: Tredyffrin and Willistown. At the 2010 census, it had a total population of 5,575.
Lebanon County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 133,568. Its county seat is Lebanon. The county was formed from portions of Dauphin and Lancaster counties in 1813, with minor boundary revisions in 1814 and 1821. Lebanon County comprises the Lebanon, PA Metropolitan Statistical Area, which is also included in the Harrisburg-York-Lebanon, PA Combined Statistical Area.