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Any of a group of globulins in blood plasma that in an electrophoretic separation of serum proteins migrate faster toward the anode than gamma globulins but more slowly than alpha globulins. Beta globulins include transferrin and other transport proteins.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Biochemistry) another name for transferrin
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014