Splenic plexus

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The splenic plexus is a network of nerves that is associated with the spleen. It is part of the autonomic nervous system and plays a crucial role in the innervation of the spleen.

Anatomy

The splenic plexus is derived from the celiac plexus, which is a major nerve center located near the celiac artery. The celiac plexus is also known as the solar plexus and is responsible for supplying nerves to many abdominal organs. The splenic plexus specifically follows the course of the splenic artery to reach the spleen.

Function

The primary function of the splenic plexus is to provide autonomic nerve supply to the spleen. This includes both sympathetic and parasympathetic fibers. The sympathetic fibers are responsible for regulating the contraction of the splenic capsule and the release of stored blood cells, while the parasympathetic fibers are involved in modulating the immune functions of the spleen.

Clinical Significance

Damage or dysfunction of the splenic plexus can lead to various medical conditions. For instance, it can affect the spleen's ability to filter blood and mount an immune response. Conditions such as splenomegaly (enlarged spleen) and hypersplenism (overactive spleen) may be associated with issues in the splenic plexus.

Related Structures

The splenic plexus is closely related to other nerve plexuses in the abdomen, including the hepatic plexus, which supplies the liver, and the renal plexus, which supplies the kidneys. It also interacts with the superior mesenteric plexus and the inferior mesenteric plexus, which supply the intestines.

See Also

• Spleen
• Celiac plexus
• Autonomic nervous system
• Splenic artery
• Splenomegaly
• Hypersplenism

External Links

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