Conus medullaris

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Science and technology

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What Wikipedia says

The conus medullaris (Latin for "medullary cone") or conus terminalis is the tapered, lower end of the spinal cord. It occurs near lumbar vertebral levels 1 (L1) and 2 (L2), occasionally lower.

Excerpt from the Wikipedia article “Conus medullaris”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Henry Vandyke Carter, Public domain, via Wikimedia Commons.