The sacral region of the spinal cord ends at the level of the first lumbar vertebra (L1). However, the actual spinal cord tissue only extends to about the level of the first or second lumbar vertebrae in adults. Below this level, a bundle of nerve roots called the cauda equina ("horse's tail") continues to descend through the vertebral canal until they reach their respective exit foramina. These nerves carry signals to and from the lower limbs and pelvic organs.

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The sacral region of the spinal cord ends at the level of the first lumbar vertebra (L1). However, the actual spinal cord tissue only extends to about the level of the first or second lumbar vertebrae in adults. Below this level, a bundle of nerve roots called the cauda equina ("horse's tail") continues to descend through the vertebral canal until they reach their respective exit foramina. These nerves carry signals to and from the lower limbs and pelvic organs.

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The sacral region of the spinal cord ends at the level of the first lumbar vertebra (L1). However, the actual spinal cord tissue only extends to about the level of the first or second lumbar vertebrae in adults. Below this level, a bundle of nerve roots called the cauda equina ("horse's tail") continues to descend through the vertebral canal until they reach their respective exit foramina. These nerves carry signals to and from the lower limbs and pelvic organs.

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Where does the sacral region of the spinal cord end?

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