Cell Function
diapedesis Audio
di·a·pe·de·sis [ dahy-uh-pi-dee-sis ]
Etymology:
Greek dia = through + pedesis = a jumping
Used of the passage of cells through a membrane or tissue.
Definitions related to diapedesis:
  • The passage of a leukocyte between the tight junctions of endothelial cells lining blood vessels, typically the fourth and final step of cellular extravasation.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • The passage of BLOOD CELLS across the layer of ENDOTHELIAL CELLS, i.e., the ENDOTHELIUM.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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