Gastric mucus: lubricant or more?
D000818:Animals; D005753:Gastric Mucosa / Q000502:physiology*; D005782:Gels; D006801:Humans; D008153:Lubrication; D009093:Mucus / Q000502:physiology*; D011453:Prostaglandins / Q000502:physiology; D014783:Viscosity
D005782:Gels; D011453:Prostaglandins