| A | B |
|---|
| amphiarthrosis | a joint with no joint cavity that is slightly movable such as the pubic symphysis and joints between vertebral bodies |
| articulation | an area of junction or union between two or more bones |
| bursa | small, fluid-filled sac found in an area subject to stress around bones and joints |
| circumduction | circular movement at a joint |
| diaphysis | shaft of a long bone |
| diarthrosis | freely movable joint; synovial joint |
| endosteum | thin membrane that lines a bone marrow cavity |
| epiphysis | end of a long bone |
| extremity | limb; an arm or leg |
| fontanel | membranous area in the infant skull where bone has not yet formed |
| synovial | pertaining to a thick, lubricating fluid found in joints, bursae, and tendon sheaths; pertaining to a freely movable joint |
| red marrow | found in the spongy bone at the ends of the long bones and at the center of other bones; manufactures blood cells |
| osteoblast | bone-forming cell |
| osteoclast | cell that breaks down bone |
| osteocyte | mature bone cell; maintains bone but dies not produce new bone tissue |
| osteon | subunit of compact bone, consisting of concentric rings of bone tissue around a central channel; haversian system |
| periosteum | connective tissue membrane covering a bone |
| resorption | loss of substance from a solid tissue, such as bone or a tooth and return of the components to the blood |
| skeleton | bony framework of the body |
| synarthrosis | immovable joint |
| yellow marrow | found chiefly in the central cavities of the long bones; it is composed largely of fat |
