Dr. Richard Kessel

Image 44 of 116
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Cross-section of the esophagus showing ,from the central region outward, the lumen, mucosa, submucosa, a muscularis externa, and a thin adventia or serosa.   The esophagus is a muscular tube that functions to transport food and liquids from the pharynx to the stomach via muscular contractions or peristalsis. SEM X60  **On Page Credit Required**