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Meaning of diapedesis

di•a•pe•de•sis

Pronunciation: (dī"u-pi-dē'sis), [key]
— n. Physiol.
  1. the passage of blood cells, esp. leukocytes, through the unruptured walls of the capillaries into the tissues.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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