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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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • diapedetic, adjective
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Other Words From

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

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

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

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

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.

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

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