diapedesis

1. The results showed that no change or even decrease of LFA-1 suface expression on leukocyte after severe burn and trauma was found, which indicated that the quantitative changes of LFA-1 expression were not the primary reason for mediating leukocyte adhesion and diapedesis.
   结果烫伤及创伤休克白细胞表面LFA－1表达无增加甚至减少，提示LFA－1表达数量变化不是介导休克时白细胞粘附及渗出的主要原因。
2. The main pathological findings in skin lesions were swelling of the endothelial cells in small vessels of papillary dermis, diapedesis of neutrophils, extravasation of erythrocytes and perivascular lymphocytes infiltration.
   结果显示登革出血热皮疹的主要病理改变为真皮上层血管内皮细胞的变性，致使红细胞外溢。

noun

1. passage of blood cells (especially white blood cells) through intact capillary walls and into the surrounding tissue