In human, succus entericus is the name given to mucous and __________.

Succus entericus is the intestinal juice secreted by the crypts of Lieberkuhn and the Brunner's glands in the small intestine.

It is composed of the secretions of the brush border cells of the mucosa along with the secretions of the goblet cells.

Therefore, succus entericus contains mucus and various intestinal enzymes such as maltase, dipeptidases, lipases, nucleosidases, etc.

Answer: intestinal enzymes