Pathology General c88b58e8 Most important for diapedesis A PECAM B Selectin C Integrin D Mucin like Glycoprotein High-Yield Explanation Diapedesis or Transmigration-process of leukocyte recruitment is migration of the leukocytes through the endothelium. Most important for diapedesis is PECAM- 1 and CD31 molecules