What role do neutrophils play in wound healing?

Neutrophils play a crucial role in the wound healing process primarily through their function in fighting infection and clearing debris from wounds. When an injury occurs, neutrophils are among the first responders to the site, rapidly arriving to engulf and destroy pathogens such as bacteria that may enter through the damaged skin. They achieve this through a process called phagocytosis, where they ingest and digest these harmful microorganisms.

In addition to combating infection, neutrophils also contribute to the elimination of dead cells and tissue debris that can hinder the healing process. By clearing away this material, they create a cleaner environment that is more conducive to healing. Their presence is vital during the inflammatory phase of wound healing, which is essential for setting the stage for the subsequent phases of tissue repair, such as granulation tissue formation and re-epithelialization.

Other options describing structural support, oxygen transport, or regulation of blood sugar levels do not pertain to the primary functions of neutrophils in the context of wound healing, making them less relevant to understanding the role of these immune cells in this critical process.