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Digestion and Absorption
Gastric glands – parietal cells
2 questions from 2 papers, each with its answer.
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2018 1 question
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Which of the following gastric cells indirectly help in erythropoiesis?
Parietal cells supply HCl (iron absorption) and intrinsic factor ($B_{12}$ absorption).
The parietal or oxyntic cell is a source of HCl and intrinsic factor. HCl converts iron present in the diet from ferric to ferrous form so that it can be absorbed easily and used during erythropoiesis. Intrinsic factor is essential for the absorption of vitamin $B_{12}$ and its deficiency causes pernicious anaemia.
2016 1 question
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In the stomach, gastric acid is secreted by the'Out of Syllabus'