Human Esophagus
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An Image of an esophagus showing how a mass of food, or bolus, passes through the esophagus into the stomach. The tissue in front is relaxed, while the tissue behind the bolus is in contraction. When food is not going through it, the esophagus looks like the wave of contraction in the picture.
Keywords
esophagus, human esophagus, sectional view of esophagus, black and white esophagus, contraction and relaxation in muscles, muscle tissue, bolus, what is a bolusGalleries
General Dissected ViewsSource
Thomson, J. Arthur The Outline of Science volume II (New York, NY: G.P. Putnam's Sons, 1922)
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