Definition of "extravasate" [ex•trav•a•sate]

• Pathology To force the flow of (blood or lymph) from a vessel out into surrounding tissue. (verb-transitive)
• Geology To cause (molten lava) to pour forth from a volcanic vent. (verb-transitive)
• Pathology To exude from a vessel into surrounding tissue. (verb-intransitive)
• Geology To erupt. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Additionally, the blood-brain barrier in ICH is disrupted and allows molecules, such as glucose, to extravasate from the intravascular to the extracellular space."