Digestive System

This course explains the organs and functions of the digestive system, including the GI tract, accessory organs, digestive processes, vascular supply, and autonomic innervation. It also covers foregut, midgut, and hindgut organization and their arterial and venous relationships.

Syllabus

. 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, Hindgut.
. Arterial supply. Celiac trunk, superior mesenteric artery (SMA), inferior mesenteric artery (IMA).
. Venous drainage. Hepatic portal system.
. Innervation. Sympathetic and parasympathetic .
. In-a-Nutshell.
. Acknowledgements.