1. Digestive System Medical Terminology

2. Structures Lips (cheil/o) Mouth (stomat/o0 Tongue (gloss/o; lingu/o) Salivary glands –Sublingual –Submandibular –Parotid Pharynx Esophagus Stomach (gastr/o) Small intestine –Duodenum –Jejunum –Ileum (hip = ilium) Large intestine –Cecum –Ascending –Transverse –Descending –Sigmoid Rectum Anus

3. Structures Liver (hepat/o) Hepatic duct Gallbladder Cystic duct –Cholecyst/o –Chole = bile –Cyst = bladder Common bile duct Pancreas Pancreatic duct

4. Functions (physiology) All functions aided by “PERISTALSIS” Ingestion Digestion (pepsis) –Mechanical »Mouth »stomach –Chemical »Mouth »Stomach »Duodenum »Pancreas Absorption »Jejunum »Ileum Elimination

5. Absorption –Key to rapidity & completeness: Increase surface area –Rugae/ plicae –Villi –Microvilli

6. System Terminology Gingiv/0 = gums (gingivitis) Gastr/o = stomach Gastrectomy/ gastrotomy/ gastrostomy Enter/o = small intestine (enteritis) Proct/o; rect/o = rectal (proctologist) Eupepsis/ dyspepsia/ peptic ulcer

7. System Terminology Obstructed bowel –Volvulus –Intussusception

8. Diverticulosis /diverticulitis Diverticula in the sigmoid colon. Diverticulosis is almost always located in the descending or sigmoid colon. Diverticula Diverticulosis Diverticulitis

9. Hernia (-cele) In a hiatal hernia part of the stomach protrudes through the esophageal opening in the diaphragm. Types of hernia –called hernias or –celes umbilical hernia umbilicocele –Strangulated (no blood) –Inguinal –Hiatal

10. Gallbladder disease Cholelithiasis Choledocholithiasis Cholecystitis