digestive system medical terminology. structures lips (cheil/o) mouth (stomat/o0 tongue (gloss/o;...
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Digestive SystemDigestive System
Medical Terminology
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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
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Structures
• Liver (hepat/o)• Hepatic duct
• Gallbladder • Cystic duct
– Cholecyst/o– Chole = bile– Cyst = bladder
• Common bile duct
• Pancreas• Pancreatic duct
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Functions (physiology)All functions aided by
“PERISTALSIS”
• Ingestion
• Digestion(pepsis)– Mechanical
» Mouth» stomach
– Chemical » Mouth» Stomach» Duodenum » Pancreas
• Absorption» Jejunum» Ileum
• Elimination
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• Absorption– Key to rapidity &
completeness:• Increase surface
area
– Rugae/ plicae
– Villi
– Microvilli
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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
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System Terminology
• Obstructed bowel– Volvulus– Intussusception
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Diverticulosis /diverticulitis
Diverticula in the sigmoid colon. Diverticulosis is almost always located in the descending or sigmoid colon.
• Diverticula• Diverticulosis• Diverticulitis
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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
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Gallbladder disease
• Cholelithiasis
• Choledocholithiasis • Cholecystitis