消化系统的功能 运动 Movement 分泌 Secretion 消化 Digestion 吸收 Absorption 排出 Elimination
消化系统的功能 • 运动Movement • 分泌Secretion • 消化Digestion • 吸收Absorption • 排出Elimination
Copyright o The McGraw-Hill Companies, Inc. Permission required for reproduction or display Blood flo Heart Liver Hepatic rtal vein +++ Secretion Mouth Anus Food and ter Esophagus Small intestine Stomach Colon Motility
Structure of the alimentary canal Tunics Serosa 8oF Muscularis(outer layer) Muscularis (inner) Submucosa Mucosa mesentery
Structure of the alimentary canal
Lumen Villus Epithelial cells Microvilli Capillaries Ne fibe Arteriole venule Lacteal TYTYryy Lymph duct Vein Muscularis Artery mucosae
Normal ber frequencies in the gastrointestinal system 基本电节律 basic electrical rhythm:BER 3 12 cpm 10.8 cpm Proximal jejunum 9.6 cpm Distal jejunum cP Distal ileum Proximal ileum
Normal BER frequencies in the gastrointestinal system 基本电节律basic electrical rhythm: BER