| A | B |
| Ankylosing spondylitis | Inflammation of vertebrae progressing to stiffening back or joint |
| Bone Scan | Uptake of radioactive phosphate injected into bone is measured |
| Clubfoot | Any of numerous congenital deformities of the foot in which it is twisted out of position or shape |
| Colles' Fracture | Break at distal end of radius (at wrist) |
| Comminuted Fracture | Bone is splintered or crushed into numerous pieces |
| Compound Fracture | Broken bone with protrusion through skin |
| Compression Fracture | Compression of one bone against another (fracture of vertebra by pressure) |
| Crepitation | Grinding sound on movement of ends of a broken bone |
| Exostosis | Bony outgrowth arising from the surface of a bone |
| Fracture | Sudden breaking of a bone |
| Genu Valgum | Knock-knee |
| Genu Varus | Bowleg |
| Greenstick Fracture | Bone is partially broken/bent in children |
| Impacted Fracture | One fragment is driven firmly into the other |
| Kyphosis | Posterior curvature of the thoracic spine |
| Kyphosis | Humpback |
| Lordosis | Swayback |
| Lordosis | Anterior curvature in the lumbar spine |
| Lumbago | Low back pain |
| Osteodystrophy | Painful development of bone |
| Osteodystrophy | Growing pains |
| Osteomalacia | Rickets in children, due to vitamin D deficiency |
| Osteomalacia | Softening of bone |
| Osteomyelitis | Inflammation of bone and bone marrow |
| Osteoporosis | Loss of bony tissue and decreased mass of bone |
| Osteotome | Surgical chisel designed to cut bone |
| Scoliosis | Lateral curvature of the spine (S-shaped) |
| Sequestrum | Segment of dead bone that has separated from the bone |
| Simple Fracture | Bone is broken without rupture of skin |
| Talipes | Clubfoot |
| Ankylosing Spondylitis | Rheumatoid arthritis of the spine |