diapedesis

noun

di·​a·​pe·​de·​sis ˌdī-ə-pə-ˈdē-səs 

plural diapedeses ˌdī-ə-pə-ˈdē-ˌsēz 

: the passage of blood cells through capillary walls into the tissues

Word History

Etymology

New Latin, from Greek diapēdēsis, literally, act of leaping through, from diapēdan to leap through, from dia- + pēdan to leap

First Known Use

1625, in the meaning defined above

Medical Definition

diapedesis

noun

di·​a·​pe·​de·​sis ˌdī-ə-pə-ˈdē-səs 

plural diapedeses -ˌsēz 

: the passage of blood cells through capillary walls into the tissues

called also emigration

diapedetic

-ˈdet-ik 

adjective