郧阳医学院：《人体解剖学 Vertebral Region》课程教学课件（PPT讲稿，英文版）The Alimentary System Ⅱ

The Alimentary systenⅡ Yunyang medical college 余明华

The Alimentary SystemⅡ Yunyang Medical College 余 明 华

Composition Digestive tube消化管 Mouth Pharynx Superior digestive Esophagus Duodenum/ tube Stomach Small intestine Jejunum Ileum Inferior digestive tube Large intestine Digestive glands消化腺 Major salivary glands Liver · Pancreas

Composition Digestive tube 消化管 • Mouth • Pharynx • Esophagus • Stomach • Small intestine • Large intestine Duodenum Jejunum Ileum Digestive glands 消化腺 Superior digestive tube Inferior digestive tube • Major salivary glands • Liver • Pancreas

Mouth pharynx Major salivary glands Esophagus Stomach Liver Pancreas Duodenum Large intestine Jejunum lleum

Esophagus Mouth Pharynx Stomach Duodenum Jejunum Ileum Large intestine Liver Pancreas Major salivary glands

The stomach胃 Shape Two surface: anterior and posterior Two curvatures a Lesser curvature胃小弯: near its lower part is angular incisure角切迹 口 Greater curvature胃大弯 long, convex and directed to the left and downward Iwo openings 口 Cardia贲门 a Pylorus幽门

The Stomach 胃 Shape ◼ Two surface: anterior and posterior ◼ Two curvatures ❑ Lesser curvature 胃小弯 : near its lower part is angular incisure 角切迹 ❑ Greater curvature 胃大弯: long, convex and directed to the left and downward ◼ Two openings ❑ Cardia 贲门 ❑ Pylorus 幽门

Fundus of Four parts stomach胃底 Cardiac part贲门部 Cardiac part ■ Fundus of stomach胃底 贲门部 Body of stomach胃体 Body Pyloric part幽门部 of stomach o Pyloric antrum幽门窦 胃体 口 Pyloric canal幽门管 Pyloric cana幽门管 Pyloric antrum幽门窦 Pyloric part幽门部

Body of stomach 胃体 Pyloric canal 幽门管 Pyloric antrum 幽门窦 Pyloric part 幽门部 Fundus of stomach 胃底 Cardiac part 贲门部 Four parts ◼ Cardiac part 贲门部 ◼ Fundus of stomach 胃底 ◼ Body of stomach 胃体 ◼ Pyloric part 幽门部 ❑ Pyloric antrum 幽门窦 ❑ Pyloric canal 幽门管

Position Mainly parts is situated in the left hypochondriac region, small in he epigastric region the cardia is situated to the left of t11. the pylorus lies to the right of L1

Position －Mainly parts is situated in the left hypochondriac region, small in the epigastric region; the cardia is situated to the left of T11, the pylorus lies to the right of L1

The small Intestine小肠 About 5-7m long Divided into a duodenum Duodenum a Jejunum 4k么 o lium lium Jejunum

The Small Intestine小肠 ◼ About 5-7m long, ◼ Divided into ❑ Duodenum ❑ Jejunum ❑ Ilium Duodenum Jejunum Ilium

DUodenum Four parts Superior part a Duodenal cap Descending part Major duodenal papilla Horizontal pal art ve@ Ascending part a duodenojejunal flexure十二指肠空肠曲 Suspensory muscle of duodenum十二指肠悬 肌( ligament of Treitz)

Duodenum Four parts ◼ Superior part ❑ Duodenal cap ◼ Descending part Major duodenal papilla ◼ Horizontal part ◼ Ascending part ❑ duodenojejunal flexure 十二指肠空肠曲 ❑ Suspensory muscle of duodenum十二指肠悬 肌 (ligament of Treitz)

Jejunum and ileum

Jejunum and ileum

Large Intestine Approximately 1.5m long, Five parts: a Cecum盲肠 a Vermiform appendix 阑尾 aco|on结肠 a Rectum直肠 a Anal cana肛管

Large Intestine ◼ Approximately 1.5m long, ◼ Five parts: ❑ Cecum 盲肠 ❑ Vermiform appendix 阑尾 ❑ Colon 结肠 ❑ Rectum 直肠 ❑ Anal canal 肛管