Question

why and when do the leucocytes performs diapedesis​

Answer 1

In this form, leukocytes extend pseudopodia and pass through gaps between endothelial cells. This passage of cells through the intact vessel wall is called diapedesis. ... Once in the interstitial fluid, leukocytes migrate along a chemotactic gradient towards the site of injury or infection

Answer 2

Explanation:

In this form, leukocytes extend pseudopodia and pass through gaps between endothelial cells. This passage of cells through the intact vessel wall is called diapedesis. ... Once in the interstitial fluid, leukocytes migrate along

a chemotactic gradient towards the site of injury or infection.