Microscopic Structures (Skeleton)
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15 Terms
What is the outer layer of bone called?
Compact bone
What is the inner layer of the bone called?
Spongy bone
What is an Osteocyte?
Mature bone cells.
What is an osteon?
Cylinder shaped tissue made of osteocytes.
What is an Haversian canal?
Tunnels that contain blood vessels, nerves, & lymph vessels.
What is the Volkmann canal?
Runs perpendicular to the Haversian canal.
What is the periosteum?
A membrane on the outer layer of the bone.
Osteoclasts
Cells that break down old bone.
Osteoblasts
cells that build new bone.
Which are more active in children: osteoblasts vs. osteoclasts?
Osteoblasts
Which are more active in the elderly: osteoblasts vs. osteoclasts?
Osteoclasts
At what age are bones most dense?
Age 30
What is osteoporosis?
A disease that weakens your bones and makes them prone to breaking(decreases bone density).
What are ways to prevent osteoporosis?
Strength Training, consuming calcium & vitamin D, Avoiding smoking & drinking, and avoiding low calorie diets.
Note 
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