Surgery Intern – Wound Healing

Study questions:

  1. What are the 4 phases of wound healing?
  2. What the 3 primary cells are important during wound healing?
  3. What signaling molecules are involved in wound healing?
  4. Define autocrine, paracrine, juxtacrine and encocrine. 
  5. List the various extracellular components involved in wound healing. 
  6. What are 5 functions of the ECM?
  7. What happened in the inflammatory phase?
  8. What interleukin is released when wounding occurs?
  9. What is released from the platelets during degranulation?
  10. How does the platelet shape change during activation?
  11. Which healing phase is most vulnerable to develop infection?
  12. What two cells are very important during the inflammatory phase?
  13. What happens during the early inflammatory phase of wound healing?
  14. What happens during the late inflammatory phase of wound healing?
  15. What is the function of the metalloproteases? What cell releases this enzyme?
  16. What events happen during the proliferative phase?
  17. What cells are the players during the proliferative phase?
  18. Describe the process of collagen synthesis in the fibroblasts. 
  19. What is graduation tissue?
  20. Why does granulation tissue get pale as it matures?
  21. Describe what happens during epithelialization. 
  22. What is contact inhibition?
  23. What happens during the maturation phase? How long does this phase last?
  24. What is the strength of the wound after final healing?
  25. What is contracture?