gastric acid

Zollinger-Ellison Syndrome

Definition Zollinger-Ellison syndrome is a medical condition characterized by excessive levels of gastrin, a hormone. Usually tumors located in the pancreas or small bowel are responsible for excess gastrin [Read More ...]

Peptic Ulcer Disease (PUD)

  Definition Peptic ulcers are open lesions that develop on the inner layer of the stomach, esophagus or duodenum after coming in contact with acid or the stomach enzyme, pepsin. Ulcers in the first part [Read More ...]