Arteries of vertebral column of one

Year-old infant - Arteries of lumbosacral part of vertebral column, left posterolateral view

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Image #211-6

Arteries of vertebral column of one

Year-old infant - Arteries of lumbosacral part of vertebral column, left posterolateral view

The specimen shown in the preceding view has been turned to expose its left posterolateral aspect. Ossified portions of the fifth lumbar vertebra and the sacrum were not sufficiently dry at the time of the photograph to appear as distinctly white as do the centers of ossification elsewhere.

1. Intervertebral disc Th. XII - L. I
2. Body of vertebra L. I
3. Transverse process of vertebra L. II
4. Lumbar artery III
5. Spinal branch lumbar artery III
6. Dorsal branch lumbar artery III
7. Arch of vertebra L. V
8. Ilium (fragmented)
9. Dorsal branch lateral sacral artery
10. Lateral sacral artery
11. Intervertebral foramen
12. Spinous process vertebra L. 1
13. Vertebral canal
14. Upper pointer: Superior articular process vertebra L. III Lower pointer: Inferior articular process vertebra L. II
15. Sacrum (pointer indicates arch of first sacral vertebra)