lumbar vertebraeOnline version labeled anatomy of the lumbar vertebrae of the spine by Michon Perre 1 (A) body 2 (A) Vertebral foramen 3 (A) Accessory process 4 (A) Superior articular process 5 (A) Spinous process 6 (A) Lamina 7 (A) Mamillary process 8 (A) Transverse process 9 (A) Pedicle 10 (B) Superior vertebral notch 11 (B) Inferior vertebral notch 12 (B) Pedicle 13 (B) Facet 14 (B) Lamina 15 (B) Spinous process 16 (B) Inferior articular process 17 (B) Transverse process 18 (B) Superior articular process