Antireflux barriers prevent reflux of gastric contents into the esophagus, and their dysfunction leads to gastroesophageal reflux disease and or dysphagia. The antireflux barriers include two ...

Panel A shows the microscopic myoarchitecture of the circular and longitudinal muscle layers of the lower esophageal sphincter and stomach. The circular muscle fibers of the esophagus cross each other ...

Your lower esophageal sphincter (LES) is a muscular ring that connects your esophagus with your stomach. It relaxes to let food pass through but otherwise stays closed to prevent stomach acid from ...

(a) Diagnosed with achalasia; (b) Underwent peroral endoscopic myotomy (POEM) surgery for achalasia; (c) Severe reflux symptoms 23 months later; (d) Esophageal squamous cell carcinoma located 25 cm ...

Acid reflux is when stomach acid flows into the esophagus and mouth, causing heartburn. GERD is a chronic form of acid reflux, and it can lead to serious health problems if untreated. Triggers of GERD ...

If you have an esophagus, you’ve almost certainly experienced the occasional bout of heartburn — that painful sensation that occurs when highly acidic stomach juices splash up into the tube that ...

The esophagus is a tubular, elongated organ that plays an important role in transporting food and liquids to the stomach. Several conditions can negatively affect the esophagus, including acid reflux, ...

The lower esophageal sphincter (LES) is a small ring of muscle that connects the esophagus to the stomach. It opens when you eat and closes during digestion to prevent stomach acid from flowing back ...