diapedesis

[dahy-uh-pi-dee-sis] /ˌdaɪ ə pɪˈdi sɪs/
noun, Physiology
1.
the passage of blood cells, especially leukocytes, through the unruptured walls of the capillaries into the tissues.
Origin
1615-25; < Neo-Latin < Greek diapḗdēsis a leaping through, equivalent to diapēdē- (verbid stem of diapēdân to leap through) + -sis -sis
Related forms
diapedetic
[dahy-uh-pi-det-ik] /ˌdaɪ ə pɪˈdɛt ɪk/ (Show IPA), adjective
British Dictionary definitions for diapedesis

diapedesis

/ˌdaɪəpəˈdiːsɪs/
noun
1.
the passage of blood cells through the unruptured wall of a blood vessel into the surrounding tissues
Derived Forms
diapedetic (ˌdaɪəpəˈdɛtɪk) adjective
Word Origin
C17: New Latin, from Greek: a leaping through, from diapēdan to spring through, from dia- + pēdan to leap
diapedesis in Medicine

diapedesis di·a·pe·de·sis (dī'ə-pĭ-dē'sĭs)
n.
The movement or passage of blood cells, especially white blood cells, through intact capillary walls into surrounding body tissue. Also called migration.