Lumbar ganglia
The lumbar ganglia are paravertebral ganglia
Paravertebral ganglia
Along the length of the sympathetic trunk are ganglia known as ganglia of sympathetic trunk or paravertebral ganglia. The ganglia are distinguished as cervical, thoracic, lumbar, and sacral and, except in the neck, they closely correspond in number to the vertebrae.-Arrangement:Only the cervical...

. The lumbar portion of the sympathetic trunk
Sympathetic trunk
The sympathetic trunks are a paired bundle of nerve fibers that run from the base of the skull to the coccyx.-Structure:...

 typically has 4 lumbar ganglia. The lumbar splanchnic nerves
Lumbar splanchnic nerves
The lumbar splanchnic nerves are splanchnic nerves that arise from the lumbar part of the sympathetic trunk and travel to an adjacent plexus near the aorta...

 arise from the ganglia here, and contribute sympathetic efferent fibers to the nearby plexuses.

The first two lumbar ganglia have both white and gray rami communicantes.
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