diapedesis

[ dahy-uh-pi-dee-sis ]

noun

, Physiology.

1. the passage of blood cells, especially leukocytes, through the unruptured walls of the capillaries into the tissues.

diapedesis

/ ˌdaɪəpəˈdiːsɪs; ˌdaɪəpəˈdɛtɪk /

noun

1. the passage of blood cells through the unruptured wall of a blood vessel into the surrounding tissues

Derived Forms

• diapedetic, adjective

Other Words From

• di·a·pe·det·ic [dahy-, uh, -pi-, det, -ik], adjective

Word History and Origins

Origin of diapedesis¹

1615–25; < New Latin < Greek diapḗdēsis a leaping through, equivalent to diapēdē- (verbid stem of diapēdân to leap through) + -sis -sis

Word History and Origins

Origin of diapedesis¹

C17: New Latin, from Greek: a leaping through, from diapēdan to spring through, from dia- + pēdan to leap

Example Sentences

Henry ab Heer records the case of a man who not only laboured under diapedesis, but small worms accompanied the bloody secretion.

From Project Gutenberg

The theory of blood pressure may apply to diapedesis accompanying the inflammatory process.

From Project Gutenberg

Through the openings by which the leucocytes have escaped from the vessels, red corpuscles may be passively extruded—diapedesis of red corpuscles.

From Project Gutenberg

To one of Virchow's pupils, Prof. Recklinghausen, we chiefly owe our knowledge of the phenomena of diapedesis as a part of the inflammatory activity.

From Project Gutenberg

Fournier also mentions a curious case of diapedesis in a woman injured by a cow.

From Project Gutenberg