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Assignment 6 (Components of a Long Bone (Diaphysis (Also called the shaft,…
Assignment 6
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Bone Cells
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Osteocytes
Location: derived from osteoblasts, Endosteum and Periosteum
Function: Maintain bone health
Osteoclast
Location: Endosteum and Periosteum
Features/Function: Mobile (Move), Multinucleate, formed from several leukocytes, microvilli for secretion Secrete enzymes that break down bone tissue
- Liberate (Free) calcium and phosphorus which go into the bloodstream
- Organic is taken up by the osteoclast and is broken down inside the cell
Fibrous Joints
Sutures
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Classification: synarthroses, immovable joints
Syndesmoses
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Classification: amphiarthroses, movement depends on the length of connecting fibers, short fibers allow little to no movement and long fibers allow a large amount of movement
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Gomphoses
Classification: synarthroses, immovable joints
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Cartilaginous Joints
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Synchondroses
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Classification: synarthroses, immovable joints
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Symphyses
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Classification: amphiarthroses, slightly moveable joints