T-helper 1 cell diapedesis
t-helper 1 cell diapedesis
The passage of a T-helper 1 cell between the tight junctions of endothelial cells lining blood vessels, typically the fourth and final step of cellular extravasation. A T-helper 1 cell is a CD4-positive, alpha-beta T cell that has the phenotype T-bet-positive and produces interferon-gamma.