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Muscularis externa: Myenteric plexus
The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x
![Mucosa <p>The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x</p>](https://digitalhistology.org/wp-content/uploads/2024/05/Or.Dig_.Tub_.SmI_.Ov-18-NEW-1-ping.png)
Mucosa
The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x
![Submucosa <p>The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x</p>](https://digitalhistology.org/wp-content/uploads/2024/05/Or.Dig_.Tub_.SmI_.Ov-18-NEW-2-ping.png)
Submucosa
The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x
![Muscularis externa <p>The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x</p>](https://digitalhistology.org/wp-content/uploads/2024/05/Or.Dig_.Tub_.SmI_.Ov-18-NEW-3-ping.png)
Muscularis externa
The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x
![- Inner circular layer <p>The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x</p>](https://digitalhistology.org/wp-content/uploads/2024/05/Or.Dig_.Tub_.SmI_.Ov-18-NEW-4-ping.png)
- Inner circular layer
The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x
![- Outer longitudinal layer <p>The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x</p>](https://digitalhistology.org/wp-content/uploads/2024/05/Or.Dig_.Tub_.SmI_.Ov-18-NEW-5-ping.png)
- Outer longitudinal layer
The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x
![Myenteric plexus <p>The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x</p>](https://digitalhistology.org/wp-content/uploads/2024/05/Or.Dig_.Tub_.SmI_.Ov-18-NEW-6-ping.png)
Myenteric plexus
The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x
![- Ganglia <p>The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x</p>](https://digitalhistology.org/wp-content/uploads/2024/05/Or.Dig_.Tub_.SmI_.Ov-18-NEW-7-ping.png)
- Ganglia
The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x
![- Neurons <p>The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x</p>](https://digitalhistology.org/wp-content/uploads/2024/05/Or.Dig_.Tub_.SmI_.Ov-18-NEW-8-ping.png)
- Neurons
The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x
![- Unmyelinated axons <p>The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x</p>](https://digitalhistology.org/wp-content/uploads/2024/05/Or.Dig_.Tub_.SmI_.Ov-18-NEW-9-ping.png)
- Unmyelinated axons
The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x
![- Supporting cells <p>The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x</p>](https://digitalhistology.org/wp-content/uploads/2024/05/Or.Dig_.Tub_.SmI_.Ov-18-NEW-10-ping.png)
- Supporting cells
The myenteric plexus is the second and larger component of the autonomic innervation of the digestive tract. Like the submucosal plexus, it consists of neurons in ganglia that are interconnected by a network of unmyelinated axons. This plexus innervates both layers of the muscularis externa from the esophagus to the rectum and is principally responsible for peristaltic movements and segmentation (mixing). 10x, 600x
![Image source > <p>The image was taken of a slide in the University of New England College of Osteopathic Medicine slide collection.</p>](https://digitalhistology.org/wp-content/uploads/2024/05/UNE-source-ping-2.png)
Image source >
The image was taken of a slide in the University of New England College of Osteopathic Medicine slide collection.