Superior mesenteric ganglion

Superior Mesenteric Ganglion

The Superior Mesenteric Ganglion is a part of the Autonomic Nervous System that plays a crucial role in the regulation of the Digestive System. It is a cluster of nerve cells (ganglion) located near the Superior Mesenteric Artery.

The celiac ganglia with the sympathetic plexuses of the abdominal viscera radiating from the ganglia.

Structure

The Superior Mesenteric Ganglion is located in the abdomen, near the start of the Superior Mesenteric Artery. It is part of the Sympathetic Nervous System, which is responsible for the body's 'fight or flight' response. The ganglion is formed by the synapses of the postganglionic fibers of the Splanchnic Nerves and preganglionic fibers from the Spinal Cord.

Function

The Superior Mesenteric Ganglion provides sympathetic innervation to several organs in the abdomen. This includes the Small Intestine, Large Intestine, and parts of the Colon. The ganglion helps regulate the functions of these organs, such as the movement of food through the intestines (peristalsis) and the absorption of nutrients.

Clinical Significance

Damage or disease affecting the Superior Mesenteric Ganglion can lead to a range of digestive disorders. This can include Irritable Bowel Syndrome (IBS), Inflammatory Bowel Disease (IBD), and other conditions characterized by abdominal pain, bloating, and abnormal bowel movements.

See Also

• Celiac Ganglion
• Inferior Mesenteric Ganglion
• Autonomic Nervous System
• Sympathetic Nervous System

References

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