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18 Cards in this Set
- Front
- Back
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Process of bone formation |
Ossification |
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2 forms of ossification |
Intramembranous, endochondral |
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When does intramembranous ossification occur |
In flat Bones when a connective tissue membrane is replaced by bone |
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Replaces cartilage with bone in the developing embryo and fetus |
Endochondrial ossification |
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Occurs in epiphyseal plates of long Bones as they grow in length |
Endochondrial ossification |
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What causes Bones to thicken |
Cooperative action of osteoblasts and osteoclasts |
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How do osteoblasts and osteoclasts thicken bone |
As osteoblasts deposit bone on the outer surface osteoclasts widen the medullary cavity from within |
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Healing process of bones |
Reactive phase, reparative phase, bone remodeling phase |
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What is the reactive phase |
Early inflammatory phase |
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What happens in the reparative phase |
Formation of a fibrocartilaginous callus first and and a bony callus second |
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Open fracture |
Broken bone protrudes through skin |
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Bone is splintered, crushed, or broken into pieces, and smaller bone fragments lie between the 2 main fractures |
Comminuted fracture |
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Fracture where one side of bone is broken and other side only bent |
Greenstick fracture |
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Who does greenstick fracture occur in |
Children |
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One of the fractured Bones is forcefully driven into the interior of the other |
Impacted fracture |
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Fracture of the distal end of the lateral leg bone |
Pott fracture |
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Fracture of the distal end of the lateral fore arm bone |
Colles fracture |
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Parathyroid hormone stimulates |
Osteoclasts to increase bone resorption and release calcium, production of calcitrol by the kidneys to increase calcium absorption |
