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## Outer Longitudinal layer Longitudinal muscle fiber layer Contraction shortens the esophagus* Originate from a cricoesophageal tendon arising from the dorsal upper edge of the anteriorly located cartilage

## Outer Longitudinal layer Longitudinal muscle fiber layer Contraction shortens the esophagus* Originate from a cricoesophageal tendon arising from the dorsal upper edge of the anteriorly located cartilage

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