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.
Cape Canaveral, Florida. Cape Canaveral and the neighboring Kennedy Space Center have become synonymous with space travel in the U.S. The first phases of the U.S. space program were conducted at Cape Canaveral Air Force Station, now a historic landmark and home to the Air Force Space and Missile Museum, before operations were moved to Kennedy.