Epithelialization during the proliferative phase occurs when?

Epithelialization during the proliferative phase occurs when?

• A. Only in late remodeling
• B. Early in wound healing for superficial injuries and lasts longer in deep wounds
• C. Not at all
• D. Only after full scar formation

Answer: (B)

Epithelialization is part of the proliferative phase where epidermal cells (keratinocytes) migrate from the wound edges and proliferate to re-cover the wound surface. This process starts early after injury, especially in superficial wounds, as the keratinocytes move across the wound bed to restore the epithelial barrier. In deeper wounds, more tissue and a longer distance must be covered, so epithelialization takes longer and lasts longer overall. This phase occurs before remodeling, so closure of the surface happens well before the scar finishes maturing.

Epithelialization is part of the proliferative phase where epidermal cells (keratinocytes) migrate from the wound edges and proliferate to re-cover the wound surface. This process starts early after injury, especially in superficial wounds, as the keratinocytes move across the wound bed to restore the epithelial barrier. In deeper wounds, more tissue and a longer distance must be covered, so epithelialization takes longer and lasts longer overall. This phase occurs before remodeling, so closure of the surface happens well before the scar finishes maturing.