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intrinsic factor
noun
- a glycoprotein, secreted by the gastric mucosa, that is involved in the intestinal absorption of vitamin B 12 .
intrinsic factor
noun
- biochem a glycoprotein, secreted by the stomach, the presence of which is necessary for the absorption of cyanocobalamin (vitamin B 12 ) in the intestine
Word History and Origins
Origin of intrinsic factor1
Example Sentences
Production of gastric acid and intrinsic factor by the specialized parietal cells in the stomach is critical for B12 absorption to occur.
However, people whose stomachs don’t secrete enough intrinsic factor may need B12 injections.
Additional research is required to learn if psychiatric concerns may be due to intrinsic factors caused by the virus compared to external factors.
"The breathing exercises can help keep the lungs fully expanded as much as possible, but will it keep you from having worse symptoms? No, that's really dependent on so many other intrinsic factors," Galiatsatos said.
In all three studies participants attributed more egalitarian views to a scientist if the evidence indicated that extrinsic factors shapes behavior more than intrinsic factors.
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