Nerve plexus

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Gray's Fig. 838 - The right sympathetic chain and its connections with the thoracic, abdominal, and pelvic plexuses.

A nerve plexus is a network of intersecting nerves. They combine sets of spinal nerves that serve the same area of the body into one large grouped nerve. There are several in the body, including:

Since the Lumbar and Sacral plexus are interconnected, they are sometimes referred to as the Lumbosacral plexus. The nerves that serve the chest are the only ones that do not originate from a plexus.

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