Viewing topic: Lower Esophageal Sphincter

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Lower Esophageal Sphincter

  • Definition: Ring of muscle, at the distal end of the esophagus where it joins the stomach, that prevents food from re-entering the esophagus when the stomach contracts; cardiac sphincter.

    Source: Shier, A., Butler, J., & Lewis, R. (2009). Hole's human anatomy & physiology. McGraw-Hill

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