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 ...

In healthy swallowing, liquid quickly passes from the mouth to the stomach. In individuals with esophageal motility disorders, this process is disrupted. Fukuoka, Japan—For most people, swallowing is ...

For most people, swallowing is second nature, but how does it occur, and why do some people have difficulty with it? Researchers at Kyushu University in Japan have started to tackle these questions by ...

The esophageal sphincters are bands of muscles at the top and bottom of the esophagus — the muscular tube that passes food and drink from the mouth to the stomach. Esophageal sphincters open and close ...

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, ...

(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 ...