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 ...
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 ...
An esophageal spasm is an involuntary and often painful contraction in the esophagus, or food pipe. Medical treatments and lifestyle remedies can help relieve symptoms of esophageal spasms. The ...
The adult human esophagus is an 18- to 25-cm long muscular tube that has cervical, thoracic, and abdominal parts. The esophagus wall is composed of striated muscle in the upper part, smooth muscle in ...
The adult human esophagus is an 18- to 25-cm long muscular tube that has cervical, thoracic, and abdominal parts. The esophagus wall is composed of striated muscle in the upper part, smooth muscle in ...
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