Submucosa: Submucosal plexus
The entire digestive tract is innervated by the enteric subdivision of the autonomic nervous system, controlling smooth muscle contraction, secretion and blood flow. The enteric nervous system consists of two components: the submucosal (Meissner’s) plexus located in the submucosa and the myenteric (Auerbach’s) plexus located between the muscle layers of the muscularis externa. Each plexus consists of neurons in small ganglia interconnected by a network of unmyelinated axons that eventually innervate the tissues. 200x, 800x
Mucosa
The entire digestive tract is innervated by the enteric subdivision of the autonomic nervous system, controlling smooth muscle contraction, secretion and blood flow. The enteric nervous system consists of two components: the submucosal (Meissner’s) plexus located in the submucosa and the myenteric (Auerbach’s) plexus located between the muscle layers of the muscularis externa. Each plexus consists of neurons in small ganglia interconnected by a network of unmyelinated axons that eventually innervate the tissues. 200x, 800x
- Muscularis mucosae
The entire digestive tract is innervated by the enteric subdivision of the autonomic nervous system, controlling smooth muscle contraction, secretion and blood flow. The enteric nervous system consists of two components: the submucosal (Meissner’s) plexus located in the submucosa and the myenteric (Auerbach’s) plexus located between the muscle layers of the muscularis externa. Each plexus consists of neurons in small ganglia interconnected by a network of unmyelinated axons that eventually innervate the tissues. 200x, 800x
Submucosa
The submucosal plexus is the smaller component of the enteric nervous system and its ganglia are located near the mucosa as well as adjacent to the inner layer of the muscularis externa.
- Submucosal plexus >
The submucosal plexus is the smaller component of the enteric nervous system and its ganglia are located near the mucosa as well as adjacent to the inner layer of the muscularis externa.
- Neurons
The submucosal plexus is the smaller component of the enteric nervous system and its ganglia are located near the mucosa as well as adjacent to the inner layer of the muscularis externa.
- Unmyelinated axons
The submucosal plexus is the smaller component of the enteric nervous system and its ganglia are located near the mucosa as well as adjacent to the inner layer of the muscularis externa.
- Supporting cell
The submucosal plexus is the smaller component of the enteric nervous system and its ganglia are located near the mucosa as well as adjacent to the inner layer of the muscularis externa.
Muscularis externa
The entire digestive tract is innervated by the enteric subdivision of the autonomic nervous system, controlling smooth muscle contraction, secretion and blood flow. The enteric nervous system consists of two components: the submucosal (Meissner’s) plexus located in the submucosa and the myenteric (Auerbach’s) plexus located between the muscle layers of the muscularis externa. Each plexus consists of neurons in small ganglia interconnected by a network of unmyelinated axons that eventually innervate the tissues. 200x, 800x
Image source >
The images were taken of a slide in the New England College of Osteopathic Medicine collection.
PREVIOUS