Digestive System Overview & Resources

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This brief video tutorial discusses the digestive system (GI tract):
0:00​​. Introduction
0:18. Digestive organs
- 0:24. Oral cavity. Teeth, salivary glands
- 2:18. Esophagus
- 3:50. Layers of the GI tract. Mucosa, submucosa, muscularis externa, serosa, peristalsis
- 9:05. Stomach
- 11:49. Small intestines. Duodenum, jejunum and ileum
- 17:33. Large intestines. Features (taeniae coli, haustra, epiploic appendages), Cecum, appendix, ascending colon, transverse colon, descending colon, sigmoid colon, rectum, anus
21:44. Accessory digestive organs
- 21:48. Liver. Functions, lobes, portal triad, bare area
- 25:50. Gallbladder. Location and function
- 26:40. Pancreas. Exocrine function (pancreatic enzymes) and Endocrine function (insulin and glucagon)
- 30:43. Spleen. Location and Function
31:18. GI Vascular supply and Innervation
- 31:21. Foregut, Midgut, Hindgut
32:14. Arterial supply. Celiac trunk, superior mesenteric artery (SMA), inferior mesenteric artery (IMA)
- 34:33. Venous drainage. Hepatic portal system
- 36:13. Innervation. Sympathetic and parasympathetic
39:20. In-a-Nutshell
41:04​​. Acknowledgements