Mucus
Mucus is secreted from goblet cells in the small intestine. Glycoproteins and proteoglycans, which are formed in the ER and Golgi apparatus of goblet cells, are the main constituents of this mucus.[1]
- ↑ Alberts,(2008), p774, "Molecular Biology of the Cell", 5th Edition, New York, Garland Taylor & Francis Group