What is conus medullaris?

Answer 1

The tapering end of the spinal cord.

In discussing a physiological condition involving this portion of the body, it would be an inflammation or deterioration of this organ structure.

http://en.wikipedia.org/wiki/Conus_medullaris

http://www.emedicine.com/neuro/byname/cauda-equina-and-conus-medullaris-syndromes.htm

Answer 2

As answered previously it is the end of the spinal cord. In pediatrics it has significance in that the conus can be tethered to the lower spine, and as the child grows there is traction on the spinal cord that can cause weakness of the legs and bladder problems.