1
.
| Rib II |
2
.
| Intercostal nerve II |
3
.
| Sympathetic trunk |
4
.
| Costal pleura |
5
.
| Rib III (cut off) |
6
.
| Periosteum of sixth rib |
7
.
| Thoracic aorta |
8
.
| Left pointer: Intercostal nerve VII Right pointer: Ramus communicans |
9
.
| Dorsal branch thoracic nerve VII |
10
.
| Left pointer: Spinal ganglion and dorsal root Right pointer: Ventral root |
11
.
| Innermost intercostal muscle |
12
.
| Levator costarum brevis muscle |
13
.
| Internal intercostal membrane |
14
.
| External intercostal muscle |
15
.
| Transverse process vertebra Th. II |
16
.
| Inferior articular process |
17
.
| Posterior longitudinal ligament |
18
.
| Intervertebral disc Th. II-III |
19
.
| Veins of third intervertebral foramen (bones removed) |
20
.
| Ligamentous band extending from vertebrae to thoracic aorta |
21
.
| Anulus fibrosus vertebra Th. V- VI |
22
.
| Posterior intercostal artery and vein VI |
23
.
| Anterior longitudinal ligament |
24
.
| Ligamentum capitis costae radiatum (preserved with periosteum of rib) |
25
.
| Spinal cord |
26
.
| Rib IX |