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Bone Tissues
Question | Answer |
---|---|
What is another name for bone marrow? | myeloid tissue |
Where is the red bone marrow located within? | trabecular bone |
Where is the red bone marrow primarily located? | in ends of long bones & in flat/irregular bones |
What is the function of the red bone marrow? | hematopoiesis (blood cell formation) |
Where is the yellow bone marrow located within? | the medullary cavity |
Where is the yellow bone marrow primarily located? | medullary canal of long bones |
What is the function of the yellow bone marrow? | fat storage |
What percentage does the organic portion of the bone tissue make up of the total mass? | 35% |
What makes up the organic portions? | bone cells and organic matrix |
What are the names of the organic bone cells? | Osteocytes, osteoblasts, osteoclasts |
What is the function of the organic matrix? | to make the bone a little flexible!! |
What percentage does the inorganic portion of the bone tissue make up of the total mass? | 65% |
What is the main component of the inorganic bone tissue? | Calcium & phosphorus salt compounds |
What is the function of the inorganic bone tissue? | to give strength to the bone |
What is another name for compact bone? | Cortical Bone |
Why does the compact bone tissue have openings? | permits exchange of materials between osteocytes (& other bone cells) and the blood. |
Cancellous (spongy) bone tissue | Trabecular Bone |
How is material exchanged with cancellous bone? | diffusion |
Where is spongy bone located? | ends of long bones & middle of flat, short, and irregular bones |
When does trabeculae become more dense? | When there is more stress on the area |