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[trans-fer-in] /trænsˈfɛr ɪn/
noun, Biochemistry
a plasma glycoprotein that transports dietary iron to the liver, spleen, and bone marrow.
1947; trans- + Latin ferr(um) iron + -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for transferrin
  • The transferrin even seemed to have a slight tendency to take up more iron ions than plutonium.
  • transferrin is a protein that carries iron in the blood.
  • Iron is carried in the blood attached to the protein transferrin.
British Dictionary definitions for transferrin


(biochem) any of a group of blood glycoproteins that transport iron Also called beta globulin, siderophilin
Word Origin
C20: from trans- + ferro- + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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transferrin in Medicine

transferrin trans·fer·rin (trāns-fěr'ĭn)
A beta globulin in blood serum that combines with and transports iron. Also called siderophilin.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for transferrin

protein (beta1 globulin) in blood plasma that transports iron from the tissues and bloodstream to the bone marrow, where it is reused in the formation of hemoglobin. Found fixed to the surface of developing red blood cells, transferrin frees iron directly into the cell. Human beings have 14 different types of transferrin, but all are believed to be determined at a single genetic locus. They are named by letters of the alphabet; the commonest is called C

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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