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.
Manned Spacecraft Operations Building at the Kennedy Space Center. The training area that the astronauts used to practice the mechanics of ALSEP deployments and other EVA activities was located behind the MSOB. Other training activities, such as those involving a LM mock-up, were conducted in the building. MSSC Magnetic Shield Sample Container