The movement of white blood cells (especially polymorphonuclear leukocytes) through the walls of capillaries and into the tissues. ... Origin: Leuko-+ G. Pedesis, a leaping ... (05 Mar 2000) ... 
(loo″ko-pә-de´sis) leukocyte emigration.
Type: Term Pronunciation: lū′kō-pĕ-dē′sis Definitions: 1. The movement of white blood cells (especially polymorphonuclear leukocytes) through the walls of capillaries and into the tissues.