from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The component of the immune system involving antibodies that are secreted by B cells and circulate as soluble proteins in blood plasma and lymph.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Immunity to infection due to antibodies, which circulate in the blood and lymph, and which are produced by B cells.
Sorry, no etymologies found.