Lumbosacral
Lumbosacral (luhm-boh-SAK-rəl)
The Lumbosacral region is a specific area of the lower spine that is made up of the lumbar spine and the sacral spine. It is a critical part of the human body's structure and function, playing a key role in supporting the body and enabling movement.
Etymology
The term "Lumbosacral" is derived from two Latin words: "lumbus" meaning loin and "sacrum" meaning sacred bone. The sacrum was considered sacred because it is the seat of the body and the part that humans sit on.
Anatomy
The lumbar spine consists of five vertebrae, labeled L1 through L5, which are the largest unfused vertebrae in the spine. They support the majority of the body's weight and are involved in flexibility and movement.
The sacral spine is located below the lumbar spine and consists of five vertebrae, labeled S1 through S5, which are fused together into a single bone called the sacrum. The sacrum connects the spine to the hip bones, forming part of the pelvis.
Related Terms
- Lumbar vertebrae: The individual bones that make up the lumbar spine.
- Sacral vertebrae: The individual bones that make up the sacral spine.
- Lumbosacral joint: The joint where the lumbar spine and the sacral spine meet.
- Lumbosacral plexus: A network of nerves in the lumbosacral region.
See Also
External links
- Medical encyclopedia article on Lumbosacral
- Wikipedia's article - Lumbosacral
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