Across
- 1. composed of four fused vertebrae, forms lowest part of vertebral column
- 4. Plate that remains in between the primary and secondary ossification centers
- 6. extends from the scapulae to the elbow, articulates with radius and ulna at elbow
- 9. larger than cervical vertebrae, side facets articulate with ribs
- 11. Bone that has irregular interconnecting spaces between bony plates called trabeculae that reduce bone weight
- 14. consists of a manubrium, body, and xiphoid process
- 15. located on the thumb side of the forearm b/w elbow and wrist
- 17. rodlike bones located between the sternum and the scapulae
- 20. Bones that develop as hyaline cartilage that is later replaced by bone tissue
- 21. first vertebra, balances the head
- 23. vertebrae that include the first and second vertebrae, transverse processes bear transverse foramina
- 24. broad, triangular bones, articulate with humerus of each upper limb
Down
- 2. Encloses and protects the brain
- 3. Mature bone cells
- 5. Bones that develop from sheetlike layers of unspecialized connective tissues
- 7. longer than the radius and overlaps the humerus posteriorly
- 8. Twelve pairs of these attach to twelve thoracic vertebrae
- 10. Bone that has a continuous extracellular matrix with no gaps.
- 12. consists of a body and a bony vertebral arch, surrounds the spinal cord
- 13. bones that include the maxilae, palatine bones, zygomatic bones, lacrimal bones, and nasal bones
- 16. triangular structure formed of five fused vertebrae
- 18. Formed by the sacrum, the coccyx, and the pelvic girdle
- 19. Connect incompletely developed bones in infantile skull
- 22. vertebrae that support more body weight than other types of vertebrae
- 25. second vertebra, the dens of this provides a pivot for the first vertebra when the head turns to the side