liquid or semi-liquid contents of the small intestines of animals and humans, consisting of a mixture of the products of digestion in the stomach, bile, the secret of the pancreatic and intestinal glands, if desquamated (exfoliating) epithelium and microorganisms. H. contains enzymes of pancreatic juice (protease, α-amylase, lipase, etc.) and actually intestinal (enterokinase, carbohydrate, peptidase, monoglycerides, phosphatase, etc.). H. the composition depends on the nature of power and status of the secretory activity of the digestive apparatus. The person per day from the small intestine into the large moves about 400 grams of H. Due to motor activity of the intestine is mixed H. that promotes better digestion and absorption of nutrients. Specially prepared H. has healing properties: it is used in certain disorders of digestion and metabolism in agricultural animals.