Gastrointestinal Anatomy And Physiology: The Es... Review

The innermost lining, composed of stratified squamous epithelium . This tough, "multi-layered" tissue is designed to withstand the friction of coarse food particles.

A condition where the nerves in the esophagus are damaged, preventing the LES from opening and halting peristalsis. Gastrointestinal Anatomy and Physiology: The Es...

Located at the junction where the esophagus meets the stomach. Its primary job is to act as a one-way valve, letting food in but preventing caustic stomach acid from splashing back up. 3. Physiology: The Art of Peristalsis The innermost lining

While gravity helps, peristalsis is so powerful that humans can technically swallow and move food to the stomach even while hanging upside down. 4. Clinical Significance: When the System Fails Gastrointestinal Anatomy and Physiology: The Es...