Which of the following cells are involved in soft callus formation?
Correct answer: A. Fibroblast and osteoblast.
- A. Fibroblast and osteoblast.
- B. Osteoblast and osteoclast.
- C. Osteoclast and osteocyte
- D. Onteocyte and osteoblast
Explanation
Soft callus formation involves fibroblasts producing connective tissue and osteoblasts beginning new bone formation around the fracture. Osteoclasts mainly resorb old bone, so students may incorrectly choose option b because they confuse bone-remodelling cells with the cells that produce the initial repair tissue.
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