| Question |
Answer |
| amphiarthrosis | slightly movable joinit such as the joint joining the two pubic bones |
| appendicular skeleton | the upper and lower extremeties |
| articular cartilage | a thin layer of cartilage covering each epiphysis |
| axial skeleton | bones of the skull, spine, chest and hyoid bone of the neck |
| canaliculi | tiny passageways within the bone |
| chondrocytes | cartilage cells |
| compact bone | the outer layer of bone that is hard and dense |
| concentric lamella | Rings that surround the central canal |
| cranium | skull |
| diaphysis | shaft of the bone |
| diathroses | freely movable joint |
| endochondral ossification | process of cartilage being formed into bone |
| endosteum | thin membrane that lines the medullary cavity |
| epiphyses | large end of the shaft of the bone |
| fontanels | soft spots on an infants cranium |
| hematopoiesis | process of blood cell formation |
| lacunae | spaces with the lamellae |
| medullary cavity | hollow area inside the diaphysis |
| osteoblasts | bone forming cells |
| osteoclasts | bone resorbing cells |
| osteocytes | living bone cells that lie within the lamellae |
| osteon | structural units within the matrix of the bone |
| osteoporosis | bone disease in which there is an excessive loss of calcified matrix and collangenous fibers from home |
| palpable | |
| pectoral girdle | shoulder girdle |
| pelvic girdle | connects the legs to the trunk |
| periosteum | strong, fibrous membrane covering a long bone |
| red bone marrow | soft connective tissue inside the hard walls of some bones |
| sinus | a space or cavity inside some of the cranial bones |
| sternoclavicular joint | the direct point of attachment between the bones of the upper extremity and the axial skeleton |
| synarthrosis | a joint in which fibrous connective tissue joins bones and hold them tightly together; sutures |
| synovial membrane | secretes a lubricating fluid that allows easier movement with less friction |
| thorax | chest cavity |
| trabeculae | needlelike threads of spongy bone that surround a network of spaces |
| yellow bone marrow | inactive form of marrow found in the adult skeleton |
Biology Lab Midterm
