vb, -sat*ed  -sat*ing vt  :  to force out or cause to escape from a proper vessel or channel <extravasated blood>  <a vas deferens extravasating spermatozoa after vasectomy without ligation>  vi  :  to pass by infiltration or effusion from a proper vessel or channel (as a blood vessel) into surrounding tissue
, n :  EXTRAVASATION 2a .
 
   
 
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