diapedesis

2 definitions found

diapedesis - Collaborative International Dictionary of English v.0.48 :

  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]

diapedesis - WordNet (r) 2.1 (2005) :

  diapedesis
      n 1: passage of blood cells (especially white blood cells)
           through intact capillary walls and into the surrounding
           tissue