In an adult, spinal cord normally ends at
The spinal cord at first extends throughout the length of the developing veebral canal. subsequently, however, the veebral column becomes much longer than the spinal cord with the result that at full term the lower end of the cord is at the level of third lumbar veebrae. this process of recession of spinal cord continues after bih as a result of which, in the adult, the spinal cord usually ends at the level of the lower border of the first lumbar veebraeHUMAN EMBRYOLOGY-INDERBIR SINGH TENTH EDITION-PAGE NO:328
Lower border of L1
Lower border of L3
Lower border of S1
Lower border of L5
General anatomy