mucin
/ˈmjusɪn/
noun
- A slippery substance produced by mucous membranes and glands, found in saliva, mucus, and other body fluids.
- The stomach lining secretes mucin to protect itself from digestive acids.
- Some animals produce extra mucin to keep their skin moist.
- Mucin in saliva helps lubricate food so it can be swallowed easily.