uwl-280-145
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  Esophageal glands (close-up view)

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Unit_12-04a

 1. Ducts of esophageal glands

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This image shows a close-up of some mucus-secreting esophageal glands.  The ducts of these glands penetrate the mucosa to open on the inner (luminal) surface of the esophagus where their secretions help to lubricate food as it passes through the organ during swallowing.   

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