Angiogenesis

Photo of scar on ankle with stitches
  1. New vessels grow and cover wound

  2. New vessels bring oxygen and nutrients to wound

  3. Proteins grab the edges of wound and close it, forming a protective mesh

  4. Excess new vessels die off

(1) New vessels grow and cover wound (2) New vessels bring oxygen and nutrients to wound (3) Proteins grab the edges of wound and close it, forming a protective mesh (4) Excess new vessels die off

Scar

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