Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The movement or passage of blood cells, especially white blood cells, through intact capillary walls into surrounding body tissue.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The migration of blood cells (especially leucocytes) through the intact walls of blood vessels into the surrounding tissue

from the GNU version of the Collaborative International Dictionary of English

  • n. The passage of the corpuscular elements of the blood from the blood vessels into the surrounding tissues, without rupture of the walls of the blood vessels.

from The Century Dictionary and Cyclopedia

  • n. The oozing of the blood-corpuscles through the walls of the blood-vessels without visible rupture.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. passage of blood cells (especially white blood cells) through intact capillary walls and into the surrounding tissue

Etymologies

Greek diapēdēsis, transudation, from diapēdān, to ooze through : dia-, dia- + pēdān, to leap, throb; see ped- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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