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Chapter 7
Skeletal System
| Question | Answer |
|---|---|
| Support | Rigid framework, supports soft organs of the body |
| Protection | protects soft body parts |
| Storage | Calcium Is stored and also released when calcium levels drop in blood . |
| Hematopoiesis | Blood cell formation; takes place in red bone marrow. |
| Osteonic | contain blood vessels for compact bone also passage way through bone matrix |
| Osteone | microscopic unit of compact bone |
| Trabeculae | plates of bone in spongy bone |
| Canaliculi | blood supply for spongy bone |
| Long bone | bone that's longer than they are wide. Leg, Thigh, Arm |
| Flat bone | bones primarily found in the cranium |
| Irregular bone | vertebrae and some of the skull contain these kind of bones |
| Diaphysis | shaft of long bone |
| Medullary cavity | Compact bone surrounds a hollow space, in adults it contains yellow bone marrow |
| Articular Cartilage | mostly hayline cartilage makes a smooth surface for movement |
| Epiphyseal plate | where the bone grows at length |
| Periosteum | fibrous connective tissue; outer surface of long bone |
| Osteogenesis | bone formation |
| Ossification | bone formation |
| Osteocytes | mature bone cells |
| Appendicular skeleton | appendages and their attachments |
| Axial skeleton | Head and the trunk |
| Cranial bones | Parietal , Frontal, Occipital, Temporal, Ethmoid |
| Maxillary bone | forms upper jaw |
| Auditory Ossicles | Malleus , Incus , Stapes |
| Hyoid bone | U-shaped bone in the neck base for the tongue |
| Vertebral Column | Contains 26 bones |
| Vertebral arch | curved portion, surrounding central large opening called vertebral foramen |
| Lumbar vertebra | L1-L5 |
| Coccyx | tail bone |
| Thoracic cage | protects heart, lungs, shoulders and great vessels |
| Sternum | breast bone |
| Jugular Suprasternal Notch | upper portion of sternum |
| True ribs | upper 7 ribs |
| Pectoral girdle | Makes up the shoulders clavical and scapula |
| Pelvic girdle | Hip girdle ; provides |
| Synarthroses | Immovable joints |
| Amphiarthroses | Slightly Movable joints |
| Diarthroses | Freely movable joints |
| Synovial Fluid | Lubrication for joints |
| Bursae | Fluid filled sacs for cushion |
| Hinge joints | Knee; Elbow |
| Ball and Socket | Hip;Shoulder |
Created by:
ShawnaGreen
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