v. i. [ See Extravasate, v. t. ] (Physiol.) To pass by infiltration or effusion from the normal channel, such as a blood vessel or a lymphatic, into the surrounding tissue; -- said of blood, lymph, etc. [ Webster 1913 Suppl. ]
v. t.
n. [ Cf. F. extravasation. ]
v. t. [ See Transvasation. ] To pour out of one vessel into another. [ Obs. ] Cudworth. [ 1913 Webster ]
n. [ Pref. trans- + L. vas, vasis, vessel. ] The act or process of pouring out of one vessel into another. [ Obs. ] Holland. [ 1913 Webster ]