intestinal juice n a fluid that is secreted in small quantity in the small intestine, is highly variable in constitution, and contains esp. various enzymes (as erepsin, lipase, lactase, enterokinase, and amylase) and mucus called also succus entericus
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the liquid secreted by the intestinal glands; it contains enzymes that finish the digestion of fats, proteins, and carbohydrates, which started more proximally in the digestive tract.Medical dictionary. 2011.