If calcium levels are low and intramembranous ossification is halted during calcification of osteoid, the events that will not occur includes:
A) Development of ossification centers
B)Mesenchyme condenses
What is intramembranous ossification?
- Also called osteogenesis.
- Osteoblast formation process.
- Unlike mineralization, which occurs during bone ossification, ossification is a separate process.
- Intramembranous ossification is the formation of bone from fibrous membranes. Endochondral ossification is the formation of bone from hyaline cartilage.
- The flat bones of the skull, jaws, and clavicle are all formed by intramembranous ossification.
- Ossification begins with the formation of future bone blueprints by mesenchymal cells.
- They develop into osteoblasts at the ossification center.
- Extracellular matrix is secreted by osteoblasts and deposits calcium that hardens the matrix.
- Spongy bone occurs when the non-mineralized component of bone, called osteoid, continues to accumulate around blood vessels.
- In the fetus, stromal connective tissue develops into red bone marrow. On the surface of the corpus cavernosum, this is remodeled into a thin layer of dense bone.
- Bone remodeling refers to the process of replacing old bone tissue with new bone tissue.
- Involves the processes of osteoblasts, which form bone, and osteoclasts, which resorb bone.
- Vitamins D, C, A and minerals such as calcium, phosphorus and magnesium are required for normal bone formation.
- Osteoblasts become osteocytes when trapped in a secretory matrix
Therefore, If calcium levels are low and intramembranous ossification is halted during calcification of osteoid, the events that will not occur includes:
A) Development of ossification centers
B)Mesenchyme condenses
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