Definition of transferrin in English:

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Pronunciation: /transˈfɛrɪn/
Pronunciation: /trɑːns-/ Pronunciation: /-nz-/


[mass noun] Biochemistry
A protein of the beta globulin group which binds and transports iron in blood serum.
Example sentences
  • The transferrin receptor is a protein located in the plasma membrane that binds the protein transferrin.
  • Iron, an essential requirement of bacteria, is tightly bound to glycoproteins such as transferrin and lactoferrin in the serum, making it unavailable for the bacteria.
  • This blood test measures the amount of iron bound to transferrin, an iron-carrying protein in your bloodstream.


1940s: from trans- 'across' + Latin ferrum 'iron' + -in1.

For editors and proofreaders

Line breaks: trans|fer¦rin

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