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chapter 6 review
bone structure
| Term | Definition |
|---|---|
| long bones | longer than they are wide the location is arms and legs |
| short bones | equal in length and width the location is wrists and ankles |
| flat bones | thinner and can be either flat or curved it includes skull ribs and sternum |
| irregular bones | odd in shape it includes hip bones and vertebrae |
| periosteum | fibrous tissue covering bones, contains blood vessels, lymph vessels, and nerves, acts as anchor points for ligaments |
| ligament | connects bone to bone |
| tendon | connects muscle to bone |
| epiphysis | |
| diaphysis | |
| yellow bone marrow | high fat content, it converts to red bone marrow if it ever runs out |
| red bone marrow | makes blood cells. found in flat bones and spongy part of long bones |
| compact bone | dense, hard tissue that forms diaphysis of long bones and outer layer of others |
| osteocytes | cell that builds bone, mature cells circle around blood vessels |
| osteoclasts | cells that break bone down |
| spongy bones | contains holes to allow space for red bone marrow, holes give a spongy appearance |
| hemopoiesis | the production of cells inside of the bone marrow |
| depressions | act as a pathway for nerves and blood vessles |
| projections | |
| ossification | formation of bone in the body |
| osteopregenitor cells | non specialized cells found in periosteum, endosteum, and central canal of contact bones. it can turn into other types of cells as needed |
| osteoblasts | cells that actually form bones |
| osteocytes | mature bone cells |
| osteoclasts | come from a type of wbc called monocyte found in rbm , breaks down bone to release calcium |
| epiphysis plate | exsists as long as bones need to grow it is controlled by hormones |
Created by:
dakota22
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