| 1. | Between the two muscle layers is the myenteric plexus.
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| 2. | Activity is initiated by the pacemaker cells, ( myenteric interstitial cells of Cajal ).
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| 3. | The nerve bundles of the submucous plexus are finer than those of the myenteric plexus.
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| 4. | These cells are connected to the smooth muscle via gap junctions and the myenteric plexus.
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| 5. | The myenteric plexus is the major nerve supply to the gastrointestinal tract and controls GI tract motility.
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| 6. | In between the two layers of muscle lies the myenteric plexus ( Auerbach's plexus ).
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| 7. | Achalasia is a motor disorder of the esophagus characterized by decrease in ganglion cell density in the myenteric plexus.
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| 8. | This lack of ganglion cells in the myenteric and submucosal plexus is well-documented in Hirschsprung's disease.
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| 9. | The myenteric plexus originates in the medulla oblongata as a collection of neurons from the ventral part of the brain stem.
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| 10. | Myenteric plexuses are located between the inner and outer layers of the muscularis externa, while submucosal plexuses are located in the submucosa.
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