has part has part has_part characteristic of part of has modifier leukocyte migration abnormal leukocyte physiology abnormal cell migration abnormal leukocyte migration abnormal leukocyte trafficking abnormal leucocyte migration abnormal lymphocyte migration/homing abnormal leucocyte trafficking MPheno.ontology abnormal leukocyte homing MP:0003156 altered 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 abnormal leucocyte homing abnormal process quality