| 1
.
| Hemiazygos vein |
| 2
.
| Rami communicantes |
| 3
.
| Right crus of diaphragm |
| 4
.
| Lumbar artery and vein III |
| 5
.
| Sympathetic trunk |
| 6
.
| Body of vertebra L. IV (pointer on anterior longitudinal ligament) |
| 7
.
| Lumbar nerve IV (emerging through intervertebral foramen) |
| 8
.
| Intervertebral disc L. IV - V |
| 9
.
| Left common iliac vein (cut off) |
| 10
.
| Obturator nerve |
| 11
.
| Psoas major muscle (cut off) |
| 12
.
| Quadratus lumborum muscle (cut off) |
| 13
.
| Upper pointer: Iliohypogastric nerve Lower pointer: Ilioinguinal nerve |
| 14
.
| Transverse process of vertebra L. II |
| 15
.
| Lumbar nerve II |
| 16
.
| Ascending lumbar vein |
| 17
.
| Intervertebral joint capsule |
| 18
.
| Lumbar nerve III |
| 19
.
| Mamillary process vertebra L. IV |
| 20
.
| Upper pointer: Accessory process vertebra L. IV Lower pointer: Intertransverse ligament |
| 21
.
| Spinous process vertebra L. IV |
| 22
.
| Interspinous ligament |
| 23
.
| Supraspinous ligament |
| 24
.
| Interosseous sacroiliac ligament |
| 25
.
| Femoral nerve |
| 26
.
| Lumbosacral trunk |
