| 1
.
| Upper pointer: Intercostal nerve IX Lower pointer: Spinal ganglion (lying within intervertebral foramen) |
| 2
.
| Costotransverse ligament (attached posteriorly to transverse process of vertebra Th. X) |
| 3
.
| Azygos vein |
| 4
.
| Joint of head of rib (pointers indicate facets on adjacent vertebral bodies, the cleft between being occupied by the delicate intraarticular ligament) |
| 5
.
| Radiating ligament of head of rib (cut through) |
| 6
.
| Anterior longitudinal ligament (pointer also indicates vertebral body Th. X) |
| 7
.
| Intervertebral disc Th. X-XI |
| 8
.
| Hemiazygos vein (note small veins draining vertebral bodies at higher levels) |
| 9
.
| Posterior intercostal vein VIII |
| 10
.
| Posterior intercostal artery VIII |
| 11
.
| Sympathetic trunk (cut off, also see 24) |
| 12
.
| Joint of head of rib IX (intact) |
| 13
.
| Intercostal nerve VIII |
| 14
.
| Costal pleura |
| 15
.
| Rib IX |
| 16
.
| Superior costotransverse ligament (upper pointer, anterior division; lower pointer, posterior division) |
| 17
.
| Branch of ninth intercostal nerve to elevator muscle of rib |
| 18
.
| Lateral costotransverse ligament |
| 19
.
| Elevator muscle of rib |
| 20
.
| Borders of area occupied by tenth rib |
| 21
.
| Transverse costal fovea (covered with articular cartilage) |
| 22
.
| Innermost intercostal muscle |
| 23
.
| Intercostal nerve X (cut off) |
| 24
.
| Left pointer: Sympathetic trunk (cut off, also see 11) Right pointer: Ramus communicans |
| 25
.
| Sympathetic trunk ganglion |
| *
.
| [Legend above restored translation from Latin] |
