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ch.6 medical terms
medical terms
| Question | Answer |
|---|---|
| foramen | hole in a bone through which blood vessels or nerves pass |
| fontanelle or fontanel | space between the bones of an infants cranium; "soft spot" |
| floating ribs | rib pairs 11 and 12, which connect to the vertebrae in the back but are free of any attachment in the front |
| flat bones | bones that are broad and thin with flat or curved surfaces, such as the sternum |
| fissure | a groove or depression in a bone; a sulcus |
| false ribs | rib pairs 8 through 10, which connect to the vertebrae in the back but not to the sternum in the front because they join the 7th rib in the front |
| epiphysis | the end of a bone |
| eiphyseal line | a layer of cartilage that separates the diaphysis of a bone; also known as the epiphyseal plate |
| diaphysis | main shaftlike portion of a bone |
| crest | distinct border or ridge; as in iliac crest |
| condyle | knucklelike projection at the end of a bone |
| compact bone | hard outer shell of the bone |
| cervical vertebrae | vertebrae or bones of the neck; C1 through C7 |
| cancellous bone | spongy bone, not as dense as compact bone |
| bone processes | projections or outgrowth of bones |
| bone markings | specific features of individual bones |
| bone depressions | concave, indented areas or openings in bones |
| articular cartilage | thin layer of cartilage that covers the ends of the long bones and the surfaces of the joints |
| fossa | hollow or concave depression in a bone |
| haversian canals | system of small canals within compact bone that contain blood vessels, lymphatic vessels, and nerves |
| hematopoiesis | the normal formation and development of blood cells in the bone marrow |
| intercostal spaces | spaces between the ribs |
| intervertebral disc | a flat, circular platelike structure of cartilage that serves as a cushion (or shock absorber) between the vertebrae |
| long bones | bones that are longer then they are wide and with distinctive shaped ends, such as the femur |
| lumbar vertebrae | the vertebrae of the lower back, L1 through L5 |
| medullary cavity | the center portion of the shaft of a long bone containing the yellow marrow |
| ossification | the conversion and fibrous connective tissue to bone, the formation of bone |
| osteoblasts | immature bone cells that activity produce bony tissue |
| osteoclasts | large cells that absorb or digest old bone tissue |
| osteocytes | mature bone cells |
| periosteum | the thick, white, fibrous membrane that covers the surface of a long bone |
| red bone marrow | the soft, semi fluid substance located in the small spaces of cancellous bone that is the source of blood cell production |
| resorption | the process of removing or digesting old bone tissue |
| sesamoid bones | irregular bones embedded in tendons near a joint, as in the kneecap |
| short bones | bones that are about as long as they are wide and somewhat box-shapped, such as the wrist bone |
| sinus | an opening or hollow space in a bone, a cavity within a bone |
| spine | a sharp projection from the surface of a bone, similar to a crest |
| stenosis | an abnormal condition characterized by a narrowing or restriction of an opening or passageway in a body structure |
| sulcus | a groove or depression in a bone, a fissure |
| sutures | immovable joints, such as as those of the cranium |
| thoracic vertebrae | the 12 vertebrae of the chest, T1 through T12 |
| trabeculae | needlelike bony spicules with cancellous bone that contribute to the spongy appearance. Their distribution along lines of stress adds to the strength of the bone |
| trochanter | large bony process located below the neck of the femur |
| true ribs | the first seven pairs of ribs, which connect to the vertebrae in the back and to the sternum in the front |
| tubercle | a small rounded process of a bone |
| tuberosity | an elevated, broad, rounded process of a bone |
| yellow marrow | located in the diaphysis of long bones, yellow marrow consists of fatty tissue and is inactive in the formation of blood cells |
| vertebral foramen | a large opening in the center of each vertebra that serves as a passageway for the spinal cord |
Created by:
Courtneey
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