[ in-ter-loo-kin ]
/ ˈɪn tərˌlu kɪn /
any of several proteins released from certain cells, especially macrophages, and having various effects on the activity of other cells, as promoting inflammation or enhancing T-cell proliferation. Abbreviation: IL-1
How Did April 1 Become “April Fools’ Day”?How did this odd, prank-centric holiday come to be celebrated in the first place, and why is it called April Fools' Day?
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019