Esophagus.
~About 10 inches long and provides a passage way from the pharynx to the stomach.
~It descends through the thorax behind the trachea and penetrates the diaphragm by way of esophageal hiatus.
~At the point where the esophagus joins the stomach is a cirrcular muscle called the cardiac spincter.
~It descends through the thorax behind the trachea and penetrates the diaphragm by way of esophageal hiatus.
~At the point where the esophagus joins the stomach is a cirrcular muscle called the cardiac spincter.