Definition of intrinsic factor in English:

intrinsic factor

Line breaks: in|trin¦sic fac¦tor

noun

[mass noun] Biochemistry
A substance secreted by the stomach which enables the body to absorb vitamin B12. It is a glycoprotein.
More example sentences
  • The vitamin is then bound by intrinsic factor, a protein secreted by parietal cells of the stomach, and carried to the ileum where it is absorbed.
  • Your stomach needs to secrete intrinsic factor in order to absorb B12, and if for some reason it doesn't, you will need to have regular vitamin B12 injections.
  • Without intrinsic factor, vitamin B - 12 can't be absorbed and leaves the body as waste.

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