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.
Our Camp. Camp Colley is a secluded adventure camp nestled in the inspiring Ponderosa Pines on Arizonaâs Mogollon Rim. The camp introduces under-privileged youth to the fun and education of outdoor recreation.