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chapter 6 SOD
| Question | Answer |
|---|---|
| Skeletal Cartilage | compromises most of the skelton in early fetal life; articular and nasal cartilage in adult skeleton |
| Perichondrium | double layered serosa enclosing the heart and forming its superficial layer |
| Hylaine Cartilage | the most abundant type of cartilage in the body; provides firm support with some pliability |
| Elastic Cartilage | Cartilage with abundant elastic fibers; more flexible than hylaine cartialage |
| Fibrocartilage | the most compressible type of cartilage; resistant to strech. forms vertebral discs and knee and joint cartilages |
| Appositional growth | growth accomplished by th addition fo new layers onto those previously formed |
| interstitial growth | the lacunae bound chondrocytes inside the cartilage divide and secrete new matrix, expanding the cartilage from within |
| Diaphysis | elongated shaft of a long bone |
| Epiphysis | the end of a long bone attached to the shaft |
| Axial Skeleton | forms long axis of the body and includes the bones of skull vertebral column and rib cage |
| Appendicular Skeleton | consists of bones of the upper and lower limbs and the girdles that attach the limbs to the axial skeleton |
| Compact Bone | outer smooth layer |
| Spongy Bone | internal taht has trabeculae |
| Medullary Cavity | marrow cavity; in adults consists fat |
| Articular Cartilage | Hylaine Cartilage covering bone ends at moveable joints |
| Periosteum | Double layered connective tissue that covers and nourishes the bone |
| Osteoblasts | Bone forming cells |
| Osteoclasts | large cells that resorb or break done bone matrix |
| Endosteum | Connective tissue membrane covering internal bone surfaces |
| Dipole | the internal layer of spongy bone in flat bones |
| Osteomalacia | disorder in which bones are inadequently mineralized; soft bones |
| Osteoporosis | increased softening of the bone resulting from a gradual decrease in rate of bone formation |
| Pagets Disease | Disorder charactersized by excessive bone break down and abnormal bone formation |
| Rickets | analogies disease in children is accompanied by many of the same signs and symptoms |
| Osteon | system of interconnecting canals in the microscopic structure of adult compact bone |
| Lamella | a layer such as of bone matrix in Haversian systems of compact bone |
| Central canal | the canal int he center of each osteon that contains minute blood vessels and nerve fibers that serve the needs of the osteocytes |
| Perforating canals | canals that run at right angles to the long axis of the bone, connecting the vascualr and nerve supplies of the periosteum to those of the central canals and the medullary cavity |
| Osteocytes | mature bone cell |
| Lacunae | a small space, cavity, or depression |
| Canali Culus | Extremely small tubular passage or channel |
| Osteoid | unmineralized bone matrix |
| Osteogenesis | the process of bone formation;ossifcation |
| Epiphyseal Plate | Plate of hylaine cartilage at the junction of the diaphysis and epiphyisis that provides for growth in length of the long bone |
| Bone Remodling | process involving bone formation and destruction in response to hormonal and mechanical factors |
| Bone Resporation | the removal of osseous tissue |
| Hydroxyapatites | mineral salts |
| Bone Markings | projections that grow outward from the bone surface |
| Bone deposit | occured where bone is injured or added bone strength is required |
Created by:
torib8_
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