Term
| There are _____ bones in the body |
|
Definition
|
|
Term
| Skeleton has many functions.. what are they |
|
Definition
| Support, Movement, protection, blood formation |
|
|
Term
| Minerals such as ______ & _______ are released when it is necessary to support cellular function throughout the body |
|
Definition
|
|
Term
| Minerals such as ______ & _______ are released when it is necessary to support cellular function throughout the body |
|
Definition
|
|
Term
| Absorption or the release of ______ _________ helps to buffer the blood against changes in pH. |
|
Definition
|
|
Term
|
Definition
| bone tissue removes heavy metal and other foreign elements from the blood and reduces their toxic effect on other tissues. |
|
|
Term
| what are the four bone classification groups |
|
Definition
| Long bones, short bones, flat bones, irregular bones |
|
|
Term
|
Definition
| (point to them as you go) the humerus of the arm,the radius and ulna of the forearm. the metacarpals and phalanges of the hand, the femur of the thigh, the tibia and the fibula of the leg, and the metatarsals and phalanges of the feet. |
|
|
Term
|
Definition
| The carpal (wrist), and tarsal (ankle) - they have limited motions |
|
|
Term
|
Definition
| includes most cranial bones, the ribs, the sternum, the scapula, and ossa coxas, hipbones |
|
|
Term
|
Definition
| includes the vertebrate and some skull bones, sphenoid and ethmoid bones. |
|
|
Term
| Long bone shaft is called |
|
Definition
|
|
Term
| At either end the long bones expanded head is called |
|
Definition
|
|
Term
|
Definition
| compact bone on the surface that surround an inner space, the medullar cavity which is filled with bone marrow. |
|
|
Term
|
Definition
| it is filled with spongy bone |
|
|
Term
|
Definition
| is a shaft that covers most of the bone, provides strong attachment for muscle tendons. |
|
|
Term
| Periosteum is an outer layer of collagen and inner osteogenic layer of bone forming cells. why is the layer important |
|
Definition
| it is important to growth of bone and healing of fractures. |
|
|
Term
| Joint surfaces of bone are covered by a layer of _____ cartilage. |
|
Definition
|
|
Term
|
Definition
| bone ends from directly rubbing against one another during movement. |
|
|
Term
|
Definition
| has a sandwich like construction, with two layers of compact bone enclosing a middle layer of spongy bone |
|
|
Term
| In the skull the spongy layer is called |
|
Definition
|
|
Term
| Osteogenic cells are _______ cells and constantly undergo mitosis. some of those differentiate into ______ |
|
Definition
|
|
Term
|
Definition
| bone forming cells that synthesize organic matter of the matrix |
|
|
Term
| Mature bone cells that were once osteoblasts & osteocytes do not deposit or reabsorb bone but are able to communicate with osteoblast when they detect stress or strain,. in response osteoblast cells deposit bone where needed. |
|
Definition
|
|
Term
|
Definition
| Several stem cells fuse together to form the huge osteoclast cells... are bone dissolving macrophages... osteoclast cells produce hydrochloric acid that dissolves bone mineral and enzymes that digest the organic componets of the matrix. |
|
|
Term
|
Definition
| consists of a lattice of thin places, spaces are filled with bone marrow, no central canal, each osteocyte is close to the blood supply in the marrow |
|
|
Term
| occupies the medullary cavity of long bones and in spongy bone. childern have more red marrow.. with age the red marrow is gradually replaced with yellow bone marrow with numerous adipocytes. |
|
Definition
|
|
Term
|
Definition
| hemopoietic tissue that produces blood cells. |
|
|
Term
| In adults red marrow is still found in vertebrae, sternum, ______ ,pectoral and _____ girdles, proximal femur, and ______ |
|
Definition
|
|
Term
|
Definition
| primary component is collagen., most of the inorganic magrix is hydroxyapalite and crystallized calcium phosphate salt. the collagen gives flexibility to resist tension and the mineral resist the compression |
|
|
Term
|
Definition
| Childhood disease which occurs when a child is deficient in vitamin D therefore cannot absorb enough dietary calcium to adequately harden the bones. |
|
|
Term
| brittle bone disease cause by |
|
Definition
|
|
Term
|
Definition
| Disease in which bone density declines to the extent that the bones become brittle and subject to fracture. aging is caracterized by loss of bone mass and strength. |
|
|
Term
|
Definition
|
|
