Lumbar nerves
Lumbar nerves
The lumbar nerves are the five pairs of spinal nerves that emerge from the lumbar vertebrae in the lower back. They are part of the peripheral nervous system and are responsible for transmitting signals between the lower body and the brain.
Pronunciation
Lumbar nerves: /ˈlʌmbɑːr nɜːrvz/
Etymology
The term "lumbar" is derived from the Latin word "lumbus," meaning loin. The term "nerve" comes from the Latin "nervus," meaning sinew or string.
Anatomy
The lumbar nerves are numbered L1 through L5, corresponding to the five lumbar vertebrae. Each nerve is connected to a specific part of the lower body, including the hips, thighs, lower legs, and feet. The lumbar nerves are responsible for both sensory and motor functions in these areas.
Related Terms
- Spinal nerves: The 31 pairs of nerves that emerge from the spinal cord, including the lumbar nerves.
- Lumbar vertebrae: The five vertebrae in the lower back that the lumbar nerves emerge from.
- Peripheral nervous system: The part of the nervous system that includes all the nerves outside of the brain and spinal cord, including the lumbar nerves.
- Sensory nerves: Nerves that transmit sensory information from the body to the brain, a function performed by the lumbar nerves.
- Motor nerves: Nerves that transmit signals from the brain to the muscles, another function performed by the lumbar nerves.
External links
- Medical encyclopedia article on Lumbar nerves
- Wikipedia's article - Lumbar nerves
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