Does The Stomach Produce Mucus?

Does The Stomach Produce Mucus? The stomach has a two-layered mucus system, composed of an inner, attached mucus and an outer, unattached, loose mucus layer, both built by the MUC5AC mucin produced by the superficial epithelium. Glands in the stomach and duodenum secrete the gel-forming mucin MUC6. Why does the stomach produce mucus? Gastric mucus