1
.
| Intervertebral disc L. III-IV (pointer on anulus fibrosus) |
2
.
| Anterior longitudinal ligament |
3
.
| Body of vertebra L. III (partly resected) |
4
.
| Anterior internal vertebral venous plexus |
5
.
| Intervertebral disc L. IV - V (pointer on nucleus pulposus) |
6
.
| Dura mater |
7
.
| Fibrous attachment of dura to posterior longitudinal ligament (cut off) |
8
.
| Sympathetic tnmk |
9
.
| Upper pointer: Sacrum (body resected) Lower pointer: Remnant of intervertebral disc S. I - II |
10
.
| Iliopsoas muscle |
11
.
| Lateral sacral arteries |
12
.
| Femoral nerve |
13
.
| Sacral plexus |
14
.
| External iliac artery |
15
.
| Obturator nerve |
16
.
| Coccygeus muscle (posterior border of pelvic diaphragm) |
17
.
| Piriform muscle |
18
.
| Internal vertebral venous plexus |
19
.
| Transverse process of vertebra L. IV |
20
.
| Ligamentum flavum |
21
.
| Pedicle (arch of vertebra) L. V (cut across) |
22
.
| Upper pointer: Spinal ganglion lumbar nerve V Lower pointer: Spinal branch iliolumbar artery |
23
.
| Lateral femoral cutaneus nerve |
24
.
| Obturator nerve |
25
.
| Femoral nerve |
26
.
| Lateral part sacrum |
27
.
| Lumbosacral trunk |
28
.
| Sacral nerve I (in pelvic sacral foramen) |
29
.
| Dural filum terminale (coccygeal nerves fused with this at lower level) |
30
.
| Sacral nerve II |
31
.
| Sacral canal (lined by periosteum) |
32
.
| Sacral nerve III |
33
.
| Sacral nerve IV |
34
.
| Sacral nerve V |
35
.
| Sympathetic trunk |
36
.
| Coccygeal nerve |
37
.
| Coccyx (covered by periosteum) |