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Download Digestion The functions of the digestive tract The organs Cavum Oris
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Digestion The functions of the digestive tract • • • • • • • [email protected] Intake Excretion Propulsion Mechanical breakdown Chemical breakdown Uptake Defecation The organs Cavum Oris • The digestive tract – – – – – – – – – – Cavum Oris Pharynx Esophagus Ventrikel (Gaster) Duodenum Jejunum Ileum Caecum Colon Rectum • Associated organs – Hepar – Pankreas – Salivary glands Palatum Molle Palatum Durum Uvula Lingua 1 Cavum Oris Salivary Gland • 3 Large – Gl. (Glandula) Parotis – Gl. Submandibularis – Gl. Sublingualis • Many small Lingua Pharynx Epiglottis Bittert Surt Salt Sött 2 The layers of the digestive tract Esofagus • 25‐30 cm How is the food transported? Ventrikel (Gaster) Fundus Cardia Curvatura major Curvatura minor Corpus Pylorus 3 Inside of the stomach The size of a normal stomach Rugae Antrum Pyloricum Bulbus Duodeni Canalis Pyloricus Speed eater The muscles of the stomach 4 Pancreas Caputt Corpus Pancreas excretion Cauda Ductus Pancreaticus accessorius Papilla duodeni minor Ductus pancreaticus Papilla duodeni major (Papilla Vateri) The liver (Hepar) Portacirkulation • A system of veins that go trough a second organ before reaching the heart • Liver • Pituitery gland 5 Gallbladder and Bile The small intestine Ductus hepaticus communis Ductus cysticus Vesica Biliaris (fellea) • Duodenum • Jejunum • Ileum Ductus Choledochus Papilla Vateri Villi Duodenum 6 • • • • Jejunum och Ileum Propulsion in the small intestine The large intestine Caecum (blindtarm) Caecum Colon Rectum Analkanalen Caecum Appendix Vermiformis 7 Rectum Colon Transversum Rectum Colon Ascendens Anal canal Colon Descendens Colon Sigmoideum M. Sphincter ani internus M. Sphincter ani externus (volontär) Peritoneum Levern Ventrikel (Gaster) Colon Transversum Jejunum & Ileum 8
