Goblet cells make more than just mucus.
Lichtenstein
G R
GR
D000818:Animals; D003106:Colon / Q000166:cytology*; D020397:Goblet Cells / Q000502:physiology*; D006801:Humans; D007413:Intestinal Mucosa / Q000166:cytology*; D009093:Mucus / Q000502:physiology*