Nerve plexus

Nerve Plexus

A nerve plexus (pronunciation: /nɜːrv ˈplɛksəs/) is a complex network of intersecting nerves. They are responsible for combining sets of spinal nerves that serve the same area of the body into one large grouped nerve. There are several in the body, including the cervical, brachial, lumbar, and sacral plexuses.

Etymology

The term "nerve plexus" is derived from the Latin nervus meaning "nerve", and plexus meaning "braid" or "network".

Cervical Plexus

The cervical plexus is a nerve plexus in the neck region. It is formed by the anterior rami of the first four cervical spinal nerves (C1-C4).

Brachial Plexus

The brachial plexus is a nerve plexus that provides the front part of the arm, forearm, and hand with motor and sensory function.

Lumbar Plexus

The lumbar plexus is a nerve plexus in the lumbar region of the body which forms part of the larger lumbosacral plexus.

Sacral Plexus

The sacral plexus is a nerve plexus which provides motor and sensory nerves for the posterior thigh, most of the lower leg, the entire foot, and part of the pelvis.

Related Terms

• Spinal nerves
• Cervical nerves
• Brachial nerves
• Lumbar nerves
• Sacral nerves

External links

• Medical encyclopedia article on Nerve plexus
• Wikipedia's article - Nerve plexus

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