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extravasate (ik-STRAV-uh-sayt) verb tr.
1. Pathology. To force the flow of (blood or lymph) from a vessel out into surrounding tissue.
2. Geology. To cause (molten lava) to pour forth from a volcanic vent.
1. Pathology. To exude from a vessel into surrounding tissue.
2. Geology. To erupt.
[Extra- + vas (o)- + -ate.]
"Malignant cells then extravasate from the vessel into the host tissue where they grow and produce a metastatic tumor." Strohl, Roberta Anne, Cutaneous manifestations of malignant disease, Dermatology Nursing, 1 Feb 1998.
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