Term
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Definition
| Connects epiphysis to shaft |
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Term
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Definition
| Narrow connection between head and diaphysis |
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Term
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Definition
- Mature bone cells that cannot divide
- Most numerous bone cell type
- Maintain protein and mineral content of adjacent matrix |
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Term
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Definition
- Produce new bony matrix
- Become osteocytes once surrounded by bony matrix |
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Term
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Definition
- Mesenchymal cells that produce cells that differentiate into osteoblasts
- important in fracture repair |
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Term
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Definition
- Remove and remodel bone matrix
- Giant cells with 50+ nuclei
- Release acids and proteolytic enzymes to dissolve matrix and release stored minerals |
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Term
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Definition
Outer and inner surfaces of compact bone layer
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Term
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Definition
| Fill spaces between osteons |
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Term
| Appostitional Bone Growth |
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Definition
- Increases bone diameter of existing bones
- Does NOT form original bones |
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Term
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Definition
This has two layers:
- Fibrous outer layer
- Cellular inner layer |
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Term
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Definition
- Created by osteoblasts in periosteum cellular layer
- Strongly connect tendons, ligaments, and joint capsules to bone through periosteum |
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Term
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Definition
- Incomplete cellular layer lining medullary cavity
- Covers spongy bone and lines central canals
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Term
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Definition
| Normally occurs in deeper layers on dermis |
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Term
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Definition
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Term
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Definition
| Osteoid matrix becomes mineralized |
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Term
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Definition
| Epiphyseal cartilage grows unusually slowly |
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Term
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Definition
| Overproduction of growth hormone before puberty |
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Term
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Definition
- Excessive cartilage formation at epiphyseal cartilage
- Causes long, slender limbs
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Term
| Fibrodysplasia Ossificans Progressiva (FOP) |
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Definition
| Gene mutation that causes bone depostiion around skeletal muscles |
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Term
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Definition
- Growth hormone levels rise after epiphyseal plates close
- Bones get thicker |
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Term
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Definition
- Most abundant mineral in body
- About 99% deposited in skeleton |
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Term
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Definition
| Crack or break due to extreme mechanical stress |
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Term
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Definition
| This type of fracture is completely internal and only seen on x-rays |
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Term
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Definition
| This type of fracture is projected through the skin and is highly apt to become infected |
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Term
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Definition
| This type of fracture is caused by twisting stresses |
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