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What is The intrinsic factor of the castle is secreted by which of the following cells in gastric glands and explain in detail?
Secretions of stomach
-        HCl- Parietal cells/ Oxyntic cells
-        The intrinsic factor of Castle- Parietal cells/ Oxyntic cells
-        Pepsinogen- Chief cells/ Peptic cells
-        Gastrin- G cells
-        Somatostatin- D cells
-        Histamine- ECL cells