Butterflies also act as a lower member of the food chain. They are a hearty meal for a number of animals, including birds and mice. As populations of butterfly diminish, so will populations of birds and other animals that rely on them as a food source.
The conus medullaris (Latin for medullary cone) is the tapered, lower end of the spinal cord.It occurs near lumbar vertebral levels 1 (L1) and 2 (L2), occasionally lower. The upper end of the conus medullaris is usually not well defined.After the spinal cord tapers out, the spinal nerves continue to branch out diagonally, forming the cauda equina.onus medullaris syndrome is a collection of signs and symptoms associated with injury to the conus medullaris. It typically causes back pain and bowel and bladder dysfunction but weakness and sensory loss is uncommon.
Conus medullaris is the lower end of the spinal cord. L1 is level 1 of the lumbar vertebral. T12 refers to the 12 thoracic pairs.It shows the position at the spinal cord where the conus medullaris ends.hat does The conus medullaris terminates at the level T12 mean Please I just received my MRI. The conus medullaris is the bottom part of the spinal cord. It normally ends at T12 or L1, so you are normal. Below that level, the spinal canal contains a bundle of loose ner â¦ ves called the cauda equina.