from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Entry of foreign matter into a blood vessel.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The entry of foreign (especially cancerous) material into a blood vessel
from The Century Dictionary and Cyclopedia
- n. The entrance into vessels of matters formed outside of them or in their parietes.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. entry of foreign matter into a blood vessel
intra- + (extra)vasation.(American Heritage® Dictionary of the English Language, Fourth Edition)