During proliferation, what is occurring?

During proliferation, what is occurring?

• A. Blood vessel formation, capillary bedding, capillary arcade is forming and collagen is being formed
• B. Scar tissue remodeling
• C. Edema reduction without vascular changes
• D. Formation of nerve endings

Answer: (A)

During proliferation the wound is rebuilt with new tissue. Fibroblasts lay down collagen and extracellular matrix to form the scaffold for repair, while new blood vessels grow into the area to create a capillary bed (often with a capillary arcade) that supplies the regenerating tissue. This neovascularization together with collagen deposition leads to granulation tissue, and epithelial cells begin to migrate to cover the wound, with contraction taking some effect as myofibroblasts pull the edges inward. This combination of angiogenesis and collagen synthesis is the defining activity of the proliferative phase. Scar remodeling happens later, and edema typically decreases as inflammation resolves, while nerve endings may regenerate but are not the primary events characterizing proliferation.

During proliferation the wound is rebuilt with new tissue. Fibroblasts lay down collagen and extracellular matrix to form the scaffold for repair, while new blood vessels grow into the area to create a capillary bed (often with a capillary arcade) that supplies the regenerating tissue. This neovascularization together with collagen deposition leads to granulation tissue, and epithelial cells begin to migrate to cover the wound, with contraction taking some effect as myofibroblasts pull the edges inward. This combination of angiogenesis and collagen synthesis is the defining activity of the proliferative phase.

Scar remodeling happens later, and edema typically decreases as inflammation resolves, while nerve endings may regenerate but are not the primary events characterizing proliferation.