How does collagen increase a wound's strength during the proliferative phase?

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During the proliferative phase of wound healing, specialized cells known as fibroblasts play a critical role in restoring tissue integrity. These cells produce collagen, a structural protein that acts as a foundational building block within the wound site. By synthesizing and depositing this collagen, fibroblasts create a framework that imparts mechanical strength to the growing tissue, effectively reinforcing the area as it undergoes repair.12

This process occurs alongside the formation of new blood vessels and the coverage of the wound area by epithelial cells, all of which contribute to the stabilization and closure of the injury.2