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Details Title: Skeletal System Description: vocab associated with the skeletal sys Total Flash Cards: 18 Created: 10/28/2007 16:42:12	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term epiphysis Definition head of a long bone Term diaphysis Definition shaft of a long bone Term compact bone Definition dense bone containing parallel osteons Term spongy bone Definition Spongy bone, also known as cancellous bone, is less dense than compact bone and is composed of a honeycomb-like network of bones called trabeculae Term periosteum Definition layer that surrounds a bone; outer layer is fibrous, inner cellular Term endosteum Definition thin layer of connective tissue which lines the surface of the bony tissue that forms the medullary cavity of long bones Term red marrow Definition marrow that produces red blood cells; found in the center of long bones Term yellow marrow Definition marrow that produces fatty tissue Term medullary cavity Definition space within a bone that contains the marrow Term haversian system Definition composed of haversian canal, lamellae, canaliculi,lacunae, osteocytes. The structural unit of bone composed of the features listed above. Term osteoblasts Definition cell that produces the fibers & matrix of bone Term epiphyseal cartilage Definition cartilage between the epiphysis & diaphysis of a growing bone Term osteoclasts Definition cell that dissolves the fibers & matrix of bone Term epiphyseal plate Definition bones grow in length starting at the epiphyseal plate; cartilage plate in children & adolescents Term articular cartilage Definition cartilage pad that covers the surface of a bone inside a joint cavity Term endochondral ossification Definition the characteristic formation of bone from cartilage found in most bones, except for the skull, clavicle, and sesamoid bones. Term Primary ossification Definition the first place where bone formation occurs; usually in the center of the diaphysis Term secondary ossification Definition formation of bone in the epiphysis