The majority of ulcers develop in the part of the gut just after the stomach called the duodenum, though some occur in the stomach itself. Together, stomach and duodenal ulcers are referred to as ...

The resulting semifluid paste—chyme—is sealed in the stomach by two ringlike sphincter muscles for several hours and then released in short bursts into the duodenum. The first of three ...

Stomach ulcers are sores that form on the stomach lining or the first part of the small intestine, known as the duodenum. Healthcare experts may also refer to stomach ulcers as: peptic ulcers ...

Stomach cancer can cause black stools, also known as melena, which are a sign of bleeding in the stomach. It happens both in ...

An endoscopy allows a doctor to take a sample of tissue from the stomach, esophagus, or upper portion of the intestine, known as the duodenum. A healthcare professional may recommend an endoscopy ...

slowing down how quickly food leaves your stomach to your intestine. It can make you feel queasy and vomit and is bad for your blood sugar levels. Although diabetic gastroparesis is more common in ...