'Diapedesis' definitions:
Definition of 'diapedesis'
(from WordNet)
noun
Passage of blood cells (especially white blood cells) through intact capillary walls and into the surrounding tissue
Definition of 'Diapedesis'
From: GCIDE
- Diapedesis \Di`a*pe*de"sis\, n. [NL., fr. Gr. ? a leaping or oozing through, fr. ? to leap through; dia` through + ? to leap.] (Med.) 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. [1913 Webster]