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, ˌdaɪəpəˈdɛtɪk /

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

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

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

In one of these the hæmorrhage took place soon after the bite and was so considerable that it must have arisen from actual rupture of vessels consequent on abdominal engorgement and not from mere diapedesis.

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

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 Mueller, A.

For five successive Fridays the same phenomenon appeared, when a confirmed diapedesis appeared.

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

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

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