from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. Pathology To force the flow of (blood or lymph) from a vessel out into surrounding tissue.
- transitive v. Geology To cause (molten lava) to pour forth from a volcanic vent.
- intransitive v. Pathology To exude from a vessel into surrounding tissue.
- intransitive v. Geology To erupt.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Outside of a vessel.
- n. That which is outside a vessel (especially blood or other bodily fluids)
- v. To flow (or be forced) from a vessel
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To force or let out of the proper vessels or arteries, as blood.
- intransitive v. 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.
from The Century Dictionary and Cyclopedia
- In pathology, to become infiltrated or effused; escape, as blood, lymph, or serum, from its proper vessels into surrounding tissues.
- n. The fluid which has been extra vasated.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. geology: cause molten material, such as lava, to pour forth
- v. force out or cause to escape from a proper vessel or channel
- v. become active and spew forth lava and rocks
Additionally, the blood-brain barrier in ICH is disrupted and allows molecules, such as glucose, to extravasate from the intravascular to the extracellular space.