Lumbar ganglia

From WikiMD's Food, Medicine & Wellness Encyclopedia

Lumbar ganglia are part of the sympathetic trunk, a bundle of nerve fibers that run along either side of the vertebral column. They are involved in the sympathetic nervous system, which is responsible for the body's 'fight or flight' response.

Etymology[edit | edit source]

The term "lumbar" is derived from the Latin word "lumbus," meaning "loin," and "ganglia" is derived from the Greek word "ganglion," meaning "swelling."

Structure[edit | edit source]

The lumbar ganglia are typically four in number, and are located in the lumbar region of the vertebral column. They are connected to the lumbar nerves by gray and white rami communicantes. The ganglia are small, oval-shaped masses of nerve tissue, and are closely associated with the lumbar vertebrae.

Function[edit | edit source]

The lumbar ganglia are part of the sympathetic nervous system, which is involved in the body's response to stress. They transmit signals from the brain to various parts of the body, including the abdominal and pelvic organs. The ganglia also play a role in controlling blood flow and temperature in the lower body.

Clinical significance[edit | edit source]

Damage or disease affecting the lumbar ganglia can lead to a variety of symptoms, including pain, numbness, and weakness in the lower body. Conditions such as lumbar radiculopathy and lumbar spondylosis can affect the function of the lumbar ganglia.

See also[edit | edit source]

References[edit | edit source]


Lumbar ganglia Resources
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Contributors: Prab R. Tumpati, MD