from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of several regulatory proteins, such as the interleukins and lymphokines, that are released by cells of the immune system and act as intercellular mediators in the generation of an immune response.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of various small regulatory proteins that regulate the cells of the immune system.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of various protein molecules secreted by cells of the immune system that serve to regulate the immune system
cyto- + Greek kīnein, to move; see kinin.(American Heritage® Dictionary of the English Language, Fourth Edition)