From the case:
Vertebral ossification centers
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Vertebral ossification centers.
Case Discussion
Original diagrams from Gray's anatomy, now out of copyright. These diagrams have been reproduced from Gray's Anatomy 20th US edition which has now lapsed into the public domain
- https://commons.wikimedia.org/wiki/File:Gray101.png
- https://commons.wikimedia.org/wiki/File:Gray102.png
- https://commons.wikimedia.org/wiki/File:Gray103.png
- https://commons.wikimedia.org/wiki/File:Gray104.png
- https://commons.wikimedia.org/wiki/File:Gray105.png
- https://commons.wikimedia.org/wiki/File:Gray106.png