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 ...

Here’s something to digest: Scientists in Cincinnati have grown miniature versions of an esophagus, the organ responsible for guiding your food to your stomach. And in a first, they did it entirely ...

At either end of the esophagus the ciliated epithelium gives rise to esophageal glands. The upper esophagus is derived from branchial arches 4, 5, and 6, but the derivation of the lower esophagus is ...