Barrett's esophagus refers to an abnormal change in the cells of the lower portion of the esophagus. It is characterized by the replacement of the normal stratified squamous epithelium lining of the esophagus by simple columnar epithelium with goblet cells (which are usually found lower in the gastrointestinal tract).
U.S. Space Camp is a camp and related programs owned and operated by the Alabama Space Science Exhibit Commission's U.S. Space & Rocket Center in Huntsville, Alabama.
Camp Sumter, located near Andersonville, Georgia, was established after the exchange/release system failed early on into the war. Camp Sumter, located near Andersonville, Georgia, was established after the exchange/release system failed early on into the war. Of the 45,000 Union solders imprisoned at Camp Sumter, almost 13,000 died while here.