In bone healing, what is the fibrocartilage plug called?

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Multiple Choice

In bone healing, what is the fibrocartilage plug called?

Explanation:
The fibrocartilage plug formed during bone healing is called a cartilaginous callus. This tissue bridges the fracture ends as a soft, cartilaginous scaffold that stabilizes the gap and supports subsequent bone formation through endochondral ossification. It isn’t a fibrous callus, which would be mainly fibrous tissue, nor a bony callus, which appears later after the cartilage is replaced by woven bone. The periosteal plug isn’t the term used for this early cartilage bridge.

The fibrocartilage plug formed during bone healing is called a cartilaginous callus. This tissue bridges the fracture ends as a soft, cartilaginous scaffold that stabilizes the gap and supports subsequent bone formation through endochondral ossification. It isn’t a fibrous callus, which would be mainly fibrous tissue, nor a bony callus, which appears later after the cartilage is replaced by woven bone. The periosteal plug isn’t the term used for this early cartilage bridge.

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