Nerve plexus
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A nerve plexus is a plexus of intersecting nerves. A nerve plexus is composed of afferent and efferent fibers that arise from the merging of the anterior rami of spinal nerves and blood vessels. There
Superimposed image of the spinal plexuses on a human back.
Lumbar plexus
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The lumbar plexus is a web of nerves in the lumbar region of the body which forms part of the larger lumbosacral plexus. It is formed by the divisions of the first four lumbar nerves and from contribu
Lumbar plexus after dissection
Schematic diagram of the lumbar plexus