吸收不良综合征是一种因各种疾病引起营养成分吸收不足所致的临床综合征。在消化道中,胃的吸收功能很差,只能吸收酒精,少量水和氯化物等简单物质;结肠主要吸收水、无机盐和部分维生素;而小肠则为食物消化和吸收的主要场所。食物中复杂的高分子化合物,如淀粉、蛋白质和脂肪等,必须经过消化分解为葡萄糖、氨基酸、脂肪酸和甘 Malabsorption syndrome is a result of various diseases caused by inadequate absorption of nutrients clinical syndrome. In the digestive tract, stomach absorption is poor, can only absorb alcohol, a small amount of water and chloride and other simple substances; colon mainly absorb water, inorganic salts and some vitamins; and the small intestine is the main place for food digestion and absorption. Food complex polymer compounds, such as starch, protein and fat, must be digested and decomposed into glucose, amino acids, fatty acids and Gan