| A | B |
| acetabulum | the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint |
| ankylosing spondylitis | a chronic form of spondylitis primarily in males and marked by impaired mobility of the spine; sometimes leads to ankylosis |
| arthrodesis | the surgical fixation of a joint which is intended to result in bone fusion |
| arthroscopy | a minimally invasive operation to repair a damaged joint |
| autologous | derived from organisms of the selfsame individual |
| comminuted fracture | fracture in which the bone is splintered or crushed |
| compression fracture | fracture in which the bone collapses |
| costochondritis | inflammation at the junction of a rib and its cartilage |
| crepitation | the sharp sound of snapping noises |
| gout | a painful inflammation of the big toe and foot caused by defects in uric acid metabolism resulting in deposits of the acid and its salts in the blood and joints |
| hemopoietic | pertaining to the formation of blood or blood cells |
| juvenile rheumatoid arthritis | a form of rheumatoid arthritis that affects children |
| kyphosis | an abnormal backward curve to the vertebral column |
| laminectomy | surgical removal of the bony arches on one or more vertebrae |
| lordosis | an abnormal inward curvature of the vertebral column |
| lumbago | backache affecting the lumbar region or lower back |
| manubrium | the upper part of the breastbone |
| metacarpal | of or relating to the metacarpus |
| metatarsal | of or relating to the metatarsus |
| myeloma | a tumor of the bone marrow (usually malignant) composed of cells normally found in bone marrow |
| open fracture | bone fracture associated with lacerated soft tissue or an open wound |
| osteitis | inflammation of a bone as a consequence of infection or trauma or degeneration |
| osteoarthritis | chronic breakdown of cartilage in the joints |
| osteochondroma | benign tumor containing both bone and cartilage |
| osteoclasis | treatment of a skeletal deformity by intentionally fracturing a bone |
| osteomalacia | abnormal softening of bones caused by deficiencies of phosphorus or calcium or vitamin D |
| osteomyelitis | an inflammation of bone and bone marrow |
| osteoporosis | abnormal loss of bony tissue due to a lack of calcium |
| podiatrist | a specialist in care for the feet |
| prosthesis | a device that replaces a missing part of the body |
| rheumatoid arthritis | a chronic autoimmune disease with inflammation of the joints and marked deformities; something (possibly a virus) triggers an attack on the synovium by the immune system, which releases cytokines that stimulate an inflammatory reaction that can lead to the destruction of all components of the joint |
| rickets | childhood disease caused by deficiency of vitamin D |
| scoliosis | an abnormal lateral curve of the spine |
| spina bifida | a not uncommon congenital defect in which a vertebra is malformed; unless several vertebrae are affected or there is myelomeningocele there are few symptoms; can be diagnosed by amniocentesis |
| spondylolisthesis | a forward dislocation of one vertebra over the one beneath it producing pressure on spinal nerves |
| subluxation | partial displacement of a joint or organ |
| vertebra | one of the bony segments of the spinal column |