Question

1. Difference between bone deposition and bone resorption. 2. Where does this occur? 3. Why is bone remodeling not a uniform process? 4. When does bone deposition occur, and when does bone resorption occur? 5. What role do osteoclasts play? 6. Where do osteoclasts come from? 7. What substances do they secrete? 8. What are the hormonal controls over bone remodeling and what is their purpose? (PTH, Calcitonin) 9. Where are these hormones produced? 10. When blood calcium levels are low, what hormone is produced? 11. When blood calcium levels are high, what hormone is produced? 12. Are these processes negative or positive feedback systems? 13. How do bones respond to mechanical stress and what is its relation to hormonal remodeling?

          1. Difference between bone deposition and bone resorption.
    2. Where does this occur?
    3. Why is bone remodeling not a uniform process?
    4. When does bone deposition occur, and when does bone resorption occur?
    5. What role do osteoclasts play?
    6. Where do osteoclasts come from?
    7. What substances do they secrete?
    8. What are the hormonal controls over bone remodeling and what is their purpose? (PTH, Calcitonin)
    9. Where are these hormones produced?
    10. When blood calcium levels are low, what hormone is produced?
    11. When blood calcium levels are high, what hormone is produced?
    12. Are these processes negative or positive feedback systems?
    13. How do bones respond to mechanical stress and what is its relation to hormonal remodeling?

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Added by Alfonso M.

Biology for AP Courses

Julianne Zedalis, John Eggebrecht

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Solved by Expert Madhur L

04/03/2023

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The difference between bone deposit and bone resorption is that bone deposit is the process of adding minerals and collagen fibers to the bone matrix, increasing bone density and strength, while bone resorption is the process of breaking down bone matrix and Show more…

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1. Difference between bone deposition and bone resorption. 2. Where does this occur? 3. Why is bone remodeling not a uniform process? 4. When does bone deposition occur, and when does bone resorption occur? 5. What role do osteoclasts play? 6. Where do osteoclasts come from? 7. What substances do they secrete? 8. What are the hormonal controls over bone remodeling and what is their purpose? (PTH, Calcitonin) 9. Where are these hormones produced? 10. When blood calcium levels are low, what hormone is produced? 11. When blood calcium levels are high, what hormone is produced? 12. Are these processes negative or positive feedback systems? 13. How do bones respond to mechanical stress and what is its relation to hormonal remodeling?

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00:01 Hello students, bone deposition means the process of formation of newborn.

00:12 It is the process of formation of newborn while the process of bone resorption is the process of breaking old or damage bones.

00:37 Bone deposition and bone resorption both occur in bone both occur in bones bone remodeling it is a process the process of bone remodeling it is a process where mature bone tissue is removed mature bone tissue is removed and new bone tissue is formed and new bone tissue is formed and this process is influenced by stress hormones that's why bone remodeling is not a uniform process it is influenced by the factors like stress and hormones and that is why it is not a uniform process the bone deposit occurred during the growth and repair.

02:01 Bone deposit occurred during growth and repair while bone resorption it occurred during bone remodeling.

02:27 Osteo -class plays an important role in skeletal development and remodeling.

02:37 Skeletal development and the process of remodeling.

02:50 Osteoclads derive from hematopoetic progenitors in the bone marrow and osteocloths secret hcl and the enzyme proteases.

03:17 Now the parathyroid hormone, that is also known as pth, increases calcium level during bone reabsorption, bone resorption and the calcium reabsorption.

03:45 In kidney while calcitonin it decreases calcium levels by inhibiting the bone resorption.

04:09 Parathyroid hormone released by parathyroid gland that is present in neck and the calcitonin is also secreted by thyroid gland...

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