What is osteoid and what function does osteoid provide compared to the mineral c
ID: 3477729 • Letter: W
Question
What is osteoid and what function does osteoid provide compared to the mineral component of bone? How would a disease of collagen affect bones ability to handle stress such as twisting etc? If you are having more bone resorption than deposition are you older or younger? What bone cell is doing the most work on the bones if you have more resorption than deposition? How does this cell resorb bone? As a child, a fracture through what region of the bone would affect how the bone grows in length? What kind of bone growth is occurring there? What are the zones in that region and what is occurring in each region?Explanation / Answer
Question 1
Answer
Osteoid is the organic portion of bone matrix. gelataneous sunstance made up of collagens. It is unmineralized.and is the precursor for formation of bone tissue.these osteoids secretes osteoblasts to form bone tissue.
When the osteoid becomes mineralised the adjacent cells becomes bone tissue.the by releasing calcium, magnesium, and phosphate ions into the collagenous matrix forms a crystalline mineral
Lack of collagen fibers and their mineralization leads to formation of soft tissue that is called osteomalacia.
Question 2
Answer
The older peoples.
increase in age that increase the rate of bone resorption by osteoclast cells. decreased bone formation.
question 3
Answer
Ostreoclast are the cells involved in cell resorption.These are multinucleated. Present in outer layer of bone beneath the periosteum.These cells causes an infolding of cell membrane and secretes collagenase and other enzymes invoved in cell resorption.
Question 4
Answer
The fracture to metaphysis will affect the growth. It is the narrow portion of a long bone between the epiphysis and the diaphysis. It has growth plate, the part of the bone that grows during childhood and, it ossifies near the diaphysis and the epiphyses.
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