extravascular

extravascular fluid.

管外液体。

Here PMN's that are marginated along the venule wall (arrow) are squeezing through the basement membrane (the process of diapedesis) and spilling out into extravascular space.

图示边集于小静脉壁的中性粒细胞（箭头所示）正挤出底膜（渗出），游走到管外。