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2	University of Tennessee College of Veterinary Medicine – Horse Owner Seminar 1-22-05 Benjamin R Buchanan, DVM Resident Large Animal Internal Medicine Resident Veterinary Emergency and Critical Care
3	Guide to the Equine Gut Normal Equine Gastrointestinal Anatomy
4	Divisions Oral Cavity Esophagus Small Intestine Proximal Mid Distal Cecum Large Colon Transverse Colon Small Colon Rectum
5	Oral Cavity
6	Oral Cavity
7	Oral Cavity
8	Oral Cavity Pharynx and Guttural Pouch Pharynx Epiglottis Arytenoids Opening to Esophagus GP Nerves control swalloing
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10	Esophagus Connects oral cavity to stomach Valve where it travels from thorax into stomach Swallowing unconsciously controlled Covered by squamous tissue
11	Mesentery Long sheet of tissue Connects intestines to body wall Carries blood vessels and nerves
12	Stomach Covered by two types of tissue Squamous tissue Mucosal tissue Anchored in the cranial left abdomen Digestion of food material
13	Small Intestine Proximal Duodenum Connection for liver and pancreas Digestion of food material Short mesentery Mid Jejunum Digestion and absorption Long mesentery
14	Small Intestine Distal Ileum Controls rate of flow into cecum/colon Tape worms Short mesentery
15	Cecum Appendix Fermentation and fiber digestion Base and apex 8-10 gallons fluid and gas Anchored at base by mesentery
16	Large Colon Modification of ascending colon Travels from right flank to liver to left flank back to liver back to right flank Anchored on right by short mesentery, free on left Ferementation and fiber digestion
17	Transverse Colon Short connection of large colon to small colon Short mesentery
18	Small Colon Descending colon Water reabsorption Fecal storage Long mesentery
19	Rectum Abdominal and extraabdominal Short mesentary Fecal storage Route for abdominal palpation
20	Glass Horse
21	Questions