Volume 3D dimension CT scan of a lateral view of the lumbosacropelvic part of goat cadaver showing; L4,4th lumbar vertebra; L5, 5th lumbar vertebra; L6, 6th lumbar vertebra; L5-L6, last interlumbar space; Sac, Sacrum; L6-S, lumbosacral space P, spinous processes; N, needle; Co1, 1st coccygeal vertebra; 2nd cocygeal vertebral; Co1-Co2, 1st intercoccygeal space.