License Image The gastrointestinal system has two components, the gastrointestinal tract and the accessory digestive organs. The gastrointestinal tract is a long muscular tube which extends from the mouth to the anus. It includes the oral cavity, pharynx, esophagus, stomach, duodenum, small intestine, large intestine, rectum and anus. The accessory digestive organs are: the salivary […]
License Image This image depicts the location of the stomach, duodenum, esophagus, pharynx and oral cavity.
License Image Areas of the stomach depicted are the cardia, fundus, body and pylorus. The Z line is the transition of the squamous epithelium (lining) of the esophagus to the columnar epithelium of the stomach. This area is where Barrett’s esophagus can occur. When acid reflux, or GERD, causes irritation it can lead to dysplasia […]