General introduction of digestive system Digestive canal and digestive glands ◆ Digestive canal Continuous canal. from mouth to anus With different diameter size Straight -curvature ◆ Digestive glands Large and small glands Secret digestive liquid ◆ Functions Ingest food Digest mechanically chemically Absorb nutrient materials Egest the wastes-feces Magazine -Reader's digest Copy Rigi oIy-Fudan University
Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Digestive canal Continuous canal,from mouth to anus With different diameter & size Straight –curvature Digestive glands Large and small glands Secret digestive liquid Functions Ingest food Digest mechanically & chemically Absorb nutrient materials Egest the wastes - feces General introduction of digestive system Magazine -Reader’s digest Digestive canal and digestive glands
omposition of digestive system ◆ Digestive canal Mouth ◆ Digestive glands Pharynx arge Parotid gland- -------Esophagus Superior salivary Sublingual gland- lands digestive Submandibular gland- tube Stomach Liver digestive glands Pancreas -Duodeni small Colon Jejunum intestine arge Cecum -lleum Intestine Appendⅸ- Inferior Rectum-- lleum-anal canal digestive nal canal tube
Mouth Pharynx Esophagus Duodenum Jejunum Large Ileum Intestine Liver Pancreas Large digestive glands small intestine Large salivary glands Superior digestive tube Inferior digestive tube Composition of digestive system Anal canal Stomach Colon Cecum Appendix Rectum Parotid gland Sublingual gland Submandibular gland Ileum→anal canal Digestive canal Digestive glands Large Intestine small intestine
Copy Right- Hongqi Composition y-Fudan University Digestive tube ◆ Mouth ◆ Pharynx ◆ Esophagus ◆ Stomach Duodenum ◆ Small intestine{ Jejunum lleum Cecum ◆ Large intestine」 Appendix Colon Rectum Anal canal Digestive glands ◆ Major salivary glands Liver pancreas Salivary gland ◆ Small digestive gland in digestive tract VG-Department of Anatomy-Fudan University
Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Composition Digestive tube Mouth Pharynx Esophagus Stomach Small intestine Large intestine Duodenum Jejunum Ileum Digestive glands Major salivary glands Liver & pancreas Salivary gland Small digestive gland in digestive tract Cecum Appendix Colon Rectum Anal canal
Copy Right-Hq The Oral Cavity Consists of two parts Oral vestibule: between cheeks and lip and teeth Oral cavity proper: within arch of teeth Boundaries of oral cavity proper Anterior and lateral: gum and teeth Posterior: isthmus of fauces ◆Roof: palate Floor: tongue, muscles and mucous membrane Oral vestibule leads, by the space behind the molar teeth into the oral cavity proper upy riyn-runyyr LnA/vu-DeJalueln UI Anatomy-Fuda
Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University The Oral Cavity Consists of two parts Oral vestibule : between cheeks and lip and teeth Oral cavity proper: within arch of teeth Boundaries of oral cavity proper Anterior and lateral: gum and teeth Posterior: isthmus of fauces Roof: palate Floor: tongue, muscles and mucous membrane Oral vestibule leads, by the space behind the molar teeth, into the oral cavity proper
Co The muscles of the floor of the oral cavity Superior view Interior view Mylohyoid 1-Digastric muscle 4-Geniohyoid muscle 2-Mylohyoid muscle 5-Submandibular gland 3-Stylohyoid muscle 6-Hyoid Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University
Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University The muscles of the floor of the oral cavity Superior view Interior view 1-Digastric muscle 2-Mylohyoid muscle 3-Stylohyoid muscle 4-Geniohyoid muscle 5-Submandibular gland 6-Hyoid 1 2 3 6 4 5 6 1 2 4 Mylohyoid