Intestinal Juice. These are enzyme-rich secretions produced by the lining of the upper small intestines. Apparently the enzymes produced compensate for any pancreatic enzymes that are deficient for that particular meal.
(intestinal juice) the clear alkaline fluid secreted by the glands of the small intestine. It contains mucus and digestive enzymes, including *enteropeptidase, *erepsin, *lactase, and *sucrase.