Digital Histology
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Overview: Innervation

Auerbach’s plexus lies between the layers of the muscularis externa throughout the tubular digestive system, providing autonomic innervation to the smooth muscle of muscularis externa.  The plexus is a meshwork of unmyelinated axons and ganglia, whose large neuronal cell bodies give rise to the postganglionic parasympathetic fibers in the plexus.  1000x

Muscularis externa <p>Auerbach’s plexus lies between the layers of the muscularis externa throughout the tubular digestive system, providing autonomic innervation to the smooth muscle of muscularis externa.  The plexus is a meshwork of unmyelinated axons and ganglia, whose large neuronal cell bodies give rise to the postganglionic parasympathetic fibers in the plexus.  1000x</p>

Muscularis externa

Auerbach’s plexus lies between the layers of the muscularis externa throughout the tubular digestive system, providing autonomic innervation to the smooth muscle of muscularis externa.  The plexus is a meshwork of unmyelinated axons and ganglia, whose large neuronal cell bodies give rise to the postganglionic parasympathetic fibers in the plexus.  1000x
- Auerbach's plexus <p>Auerbach’s plexus lies between the layers of the muscularis externa throughout the tubular digestive system, providing autonomic innervation to the smooth muscle of muscularis externa.  The plexus is a meshwork of unmyelinated axons and ganglia, whose large neuronal cell bodies give rise to the postganglionic parasympathetic fibers in the plexus.  1000x</p>

- Auerbach's plexus

Auerbach’s plexus lies between the layers of the muscularis externa throughout the tubular digestive system, providing autonomic innervation to the smooth muscle of muscularis externa.  The plexus is a meshwork of unmyelinated axons and ganglia, whose large neuronal cell bodies give rise to the postganglionic parasympathetic fibers in the plexus.  1000x
- Neuronal cell bodies <p>Auerbach’s plexus lies between the layers of the muscularis externa throughout the tubular digestive system, providing autonomic innervation to the smooth muscle of muscularis externa.  The plexus is a meshwork of unmyelinated axons and ganglia, whose large neuronal cell bodies give rise to the postganglionic parasympathetic fibers in the plexus.  1000x</p>

- Neuronal cell bodies

Auerbach’s plexus lies between the layers of the muscularis externa throughout the tubular digestive system, providing autonomic innervation to the smooth muscle of muscularis externa.  The plexus is a meshwork of unmyelinated axons and ganglia, whose large neuronal cell bodies give rise to the postganglionic parasympathetic fibers in the plexus.  1000x
- Peripheral nerves <p>Auerbach’s plexus lies between the layers of the muscularis externa throughout the tubular digestive system, providing autonomic innervation to the smooth muscle of muscularis externa.  The plexus is a meshwork of unmyelinated axons and ganglia, whose large neuronal cell bodies give rise to the postganglionic parasympathetic fibers in the plexus.  1000x</p>

- Peripheral nerves

Auerbach’s plexus lies between the layers of the muscularis externa throughout the tubular digestive system, providing autonomic innervation to the smooth muscle of muscularis externa.  The plexus is a meshwork of unmyelinated axons and ganglia, whose large neuronal cell bodies give rise to the postganglionic parasympathetic fibers in the plexus.  1000x
- Schwann cell nuclei <p>Auerbach’s plexus lies between the layers of the muscularis externa throughout the tubular digestive system, providing autonomic innervation to the smooth muscle of muscularis externa.  The plexus is a meshwork of unmyelinated axons and ganglia, whose large neuronal cell bodies give rise to the postganglionic parasympathetic fibers in the plexus.  1000x</p>

- Schwann cell nuclei

Auerbach’s plexus lies between the layers of the muscularis externa throughout the tubular digestive system, providing autonomic innervation to the smooth muscle of muscularis externa.  The plexus is a meshwork of unmyelinated axons and ganglia, whose large neuronal cell bodies give rise to the postganglionic parasympathetic fibers in the plexus.  1000x
Main SlideMuscularis externa - Auerbach's plexus - Neuronal cell bodies - Peripheral nerves - Schwann cell nuclei