<prompt> Which of the following is not a constituent of the succus entericus ?ErepsinEnterokinaseInveaseTrypsin  <response>: Trypsin is formed from trypsinogen in the small intestine. It is not a constituent of the intestinal juice Intestinal juice or succus entericus- Small intestine-crypts of Lieberkuhn Enzymes present in the succus entericus are: Protein digestion: aminopeptidases ,carboxypeptidases. Erepsin: conves proteoses peptones into amino acids Enterokinase: it conves trypsinogen secreted by pancreas into trypsin. Carbohydrate Digestion: Invease sucrose conveed to glucose and fructose Maltase, glucoamylase, and lactase 