has part has part has_part characteristic of part of has modifier leukocyte migration abnormal leukocyte migration impaired leukocyte migration MP:0020212 impaired leucocyte migration impaired ability of blood leukocytes to move within or between different tissues and organs of the body by binding to high endothelial venules (HEV), then tethering and rolling along the luminal aspects of HEV nvasilevsky abnormal decreased rate