cells and secretions

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Last updated 4:13 PM on 4/8/26
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10 Terms

1
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Mucous cells

Secrete mucus to protect stomach lining

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Parietal cells

Secrete hydrochloric acid and intrinsic factor

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Chief cells

Secrete pepsinogen the precursor to pepsin

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G cells

Secrete gastrin to stimulate gastric activity

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Enteroendocrine Cells

produce hormones that regulate digestion

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Hydrochloric acid (Gastric juice)

2 to 3 L per day produced by the parietal cells; Activates pepsin; nd gastric lipase – enzymes that aid in fat and protein digestion; Helps liquefy food form chyme

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Pepsin/Pepsinogen (Zymogens)

digestive enzymes secreted as inactive proteins; Converted to active enzymes by removing some of their amino acids

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Intrinsic factor

a glycoprotein secreted by parietal cells; Required for vitamin B12 absorption (anema without)

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Gastrin

Hormone that increases gastric secretion and motility

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Mucus in stomach

Protects stomach lining from acid