Lumen Villus Epithelial cells nutrients Microvilli- 与吸收有关的结构 Capillaries By projecting Nerve E fiber into the lumen Arteriole venule 2 the villi increases the surface area Lacteal for absorption of TyRes nutrients Microvilli [aka brush border] fringe the villi to further increase Lymph duct Vein Muscularis Artery mucosae surface area
与吸收有关的结构 By projecting into the lumen, the villi increases the surface area for absorption of nutrients. Microvilli [aka brush border] fringe the villi to further increase surface area. nutrients
Lumen Epithelium Interstitial space DIGESTION EXAMPLE None Glucose Glucose Luminal hydrolysis of0-=。0→。 polymer to monomers roteIn Amino acids (AA) ○◇ Sucrose Brushborder hydrolysis of oligomer to monomer Glucose Glucose Fructose Fructose Intracellular hydrolysis =o= pti Luminal hydrolysis Glycerol followed by intracellular resynthesis Triacylglycerol B3- Triacylglycerol 消化与吸收的一般机制 General mechanisms of digestion and absorption
消化与吸收的一般机制 General mechanisms of digestion and absorption