intrinsic factor

Intrinsic factor is a glycoprotein produced by the parietal cells of the stomach. It is necessary for the absorption of later on in the terminal ileum.Upon entry into the stomach, vitamin B becomes bound to one of two B binding proteins present in gastric juice. In the less acidic environment of the small intestine, these proteins dissociate from the vitamin, enabling it to bind to intrinsic factor and enter the portal circulation through a receptor in the ileal mucosa specific for the B-intrinsic factor complex.
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Intrinsic factor n. A relatively small mucoprotein secreted by the parietal cells of gastric glands and required for adequate absorption of vitamin [more]Intrinsic factor - Community and Resources

Noun
1. a substance produced by the mucosa of the stomach and intestines that is essential for the absorption of vitamin B12; "lack of intrinsic factor can result in pernicious anemia"
(hypernym) factor

B: (Kimia) faktor intrinsik; faktor hakiki
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B: (Biologi) faktor intrinsik
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Eng: intrinsic factor
Urdu: ذاتی عامِل ۔ مِعدہ کی مُخاطی جِھلّی کا ایک عنصر جو جِسم میں حیاتین ب ۱۲ جَذب ہونے کے لیے ضروری ہے ۔