Human digestive system
This brief video tutorial discusses the digestive system (GI tract): Introduction Digestive organs Oral cavity. Teeth, salivary glands Esophagus Layers of the GI tract. Mucosa, submucosa, muscularis externa, serosa, peristalsis Stomach Small intestines. Duodenum, jejunum and ileum Large intestines. Features (taeniae coli, haustra, epiploic appendages), Cecum, appendix, ascending colon, transverse colon, descending colon, sigmoid colon, rectum, anus Accessory digestive organs Liver. Functions, lobes, portal triad, bare area Gallbladder. Location and function Pancreas. Exocrine function (pancreatic enzymes) and Endocrine function (insulin and glucagon) Spleen. Location and Function GI Vascular Supply and Innervation Foregut, Midgut, Hindgu Arterial supply. Celiac trunk, superior mesenteric artery (SMA), inferior mesenteric artery (IMA) Venous drainage. Hepatic portal system Innervation. Sympathetic and parasympathetic
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