What are stomach cell functions?

Parietal cells: Located in fundus and body. Secrete Intrinsic factor for absorption of vitamin B12 in the terminal ileum. Pernicious anemia is characterized by atrophy of the parietal cell mucosa, deficiency FI Secrete hydrochloride (HCl), accounting for highly acidic pH of stomach. Chief cells:Located in fundus and body Secrete pepsinogen, which digests protein. G cells:Located in antrum. Secrete gastrin Mucous cells and pyloric gland areas : Mucus , provides a weak barrier to the diffusion of H+ and probably protects the mucosa. Gastric Juice : 500 and 1500 mL/d