Skeletal System

5. Shaft of a long bone
9. A malignant bone tumor composed of atypical cartilage
11. Tumors of the bone arising from osteoblasts
12. A form of rheumatoid arthritis of unknown cause that affects the spine in a progressive fashion eventually fusing the spine into a rigid block of bone
14. Abnormal lateral curvature of the spine
17. A primary malignancy of bone usually arising in the metaphysis most commonly around the knee
18. A benign bone growth projecting outward from the bony cortex

1. Infection of bone most often caused by Staphylococcus which may localize or spread to bone to involve marrow and other bone tissues
2. A hereditary, congenital disturbance that causes inadequate bone formation and results in a peculiar form of dwarfism
3. A primary malignant bone tumor arising in medullary tissue occurring more often in cylindric bones
4. Congenital absence of the cranial vault
6. Cells that are associated with absorption and removal of bone
7. The spongy substance found within a bone it gives a characteristic appearance to bone details
8. The bone-forming cells responsible for bone growth ossification and regeneration
10. The presence of more than five digits
13. A benign tumor of adult bone capped by cartilage
15. Noninflammatory degenerative joint disease occurring mainly in older persons producing gradual deterioration of the joint cartilage
16. Premature or early closure of the sutures of the skull