diapedesis

American  

[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.

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diapedesis British  

/ ˌdaɪəpəˈdiːsɪs /

noun

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

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Other Word Forms

• diapedetic
  adjective

Etymology

Origin of diapedesis

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

Example Sentences

See Examples For:

diapedesis

More remarkable and strange is the action of the Indian viper-poison on the minute ganglia in the vaso-motor nerve ends, which control the capillary circulation, and by their paralysis bring about extensive hæmorrhage through diapedesis.

From On Snake-Poison: its Action and its Antidote by A. Mueller

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

From Curiosities of Medical Experience by J. G. (John Gideon) Millingen

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 Scientific American Supplement, No. 787, January 31, 1891 by Various

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

From On Snake-Poison: its Action and its Antidote by A. Mueller

That leading feature of viper poison, diapedesis with hæmorrhage, does not occur with either.

From On Snake-Poison: its Action and its Antidote by A. Mueller