20070981胃肠道组织学.ppt

;Digestion Nutrition;教学目标及基本要求1. 掌握消化管的基本结构。2. 了解口腔粘膜的结构。3. 了解舌的结构和牙的结构。4. 掌握消化管各段的结构特点及功能。5. 了解消化管的免疫功能。6. 了解消化管内分泌功能。 ;General structure of digestive tract ;;mucous ;Filiform papillae;taste buds;epithelium;Tunica submucosa with glands;Junction of esophagus and cardia ; mucosa: epithelium, lamina propria, mucularis mucosae ;;STOMACH: Divisions; surface mucous cell;Fundic gland ：; chief cell：zymogenic cell; parietal cell ：oxyntic cell;;Mucous neck cells present in cluster or as single cells between parietal cells in the necks of gastric glands.;Cardiac region;Pylorus region ;SMALL INTESTINE;;duodenum;intestinal villi;Mucous membrane;striated border (microvilli);Intestine gland;paneth cell;Characteristics of different small intestine： ;duodenum;ileum; Consists of rectum, colon and appendix Long intestine glands, no villi Great abundance of goblet and absorptive cells, no Panthe cells The lamina propria is rich in lymphoid cells and nodules;large intestine;junction of rectum and anus; an evagination of cecum with small, narrow  and irregular lumen abundance lymphoid follicles in its wall fewer and shorter intestinal glands compared  with other section of large intestine;appendix;constitute ;M cell;;lymphoid tissue of ileum;lymphoid tissue of appendix; a serious of widely distributed cells with  characteristics of the diffuse neuroendocrine system open type: cell presents microvilli and contacts the lumen  closed type: cell apex is covered by other epithelial cells function: modulate the digestive activity with nervous system;;Endocrine cells;名称;;填空 消化管壁分四层,即___,___,___,___. 构成小肠腺的C有___,___,___,___,___. 在胃底腺中,分泌胃蛋白酶原的细胞是___;分泌盐酸的细胞是___. 名词解释 胃底腺 潘氏细胞 黏液-碳酸氢盐屏障 细胞衣 ;nerve plexus