Spinal cord cord ends around the L1/L2 vertebral level, forming a structure known as the conus medullaris. Although the spinal cord cell bodies end around the L1/L2 vertebral level, the spinal nerves for each segment exit at the level of the corresponding vertebra. For the nerves of the lower spinal cord, this means that they exit the vertebral column much lower (more caudally) than their roots. As these nerves travel from their respective roots to their point of exit from the vertebral column, the nerves of the lower spinal segments form a bundle called the cauda equina. There are two regions where
Jessie (given name) Jessie (given name) Jessie is a given name in its own right, but may also be a nickname for the given name Jessica. It is generally considered the feminine form of Jesse. The name Jess is also a given name. It, or Jesse, may be used in Spanish as a nickname for the male name Jesus. In Celtic usage, Jessie is not related to Jessica. It is considered a pet form of the name Jane or Jean (feminisations of John). This is expressed in Gaelic variants as the names Seana/Seóna (Shawna) or Sìne (Sheena). Related feminine names taken from John