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The Language Of Medicine Dr. Michael P. Gillespie.

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Presentation on theme: "The Language Of Medicine Dr. Michael P. Gillespie."— Presentation transcript:

1 The Language Of Medicine Dr. Michael P. Gillespie

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3  Name the organs of the digestive system and describe their locations and functions.  Define combining forms for gastrointestinal organs and know the meaning of related terminology.  Describe signs, symptoms, and disease conditions affecting the digestive system.

4 Digestive or gastrointestinal system performs four main functions:  ingestion  digestion  absorption  elimination

5  Ingestion—Food material taken into mouth  Digestion—Food is broken down and travels through the gastrointestinal tract.  Digestive enzymes aid breakdown of complex nutrients.  Proteins → amino acids  Sugars → glucose  Fats → fatty acids or triglycerides

6  Digested food passes into bloodstream through lining cells of small intestine.  Nutrients travel to all cells of the body  Cells burn nutrients to release energy stored in food.

7  Body eliminates solid waste materials that cannot be absorbed into bloodstream.  The large intestine concentrates feces.  The wastes pass out of the body through the anus.

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9  The gastrointestinal tract begins with the oral cavity.

10 Major parts of the oral cavity

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12 Upper permanent teeth within the dental arch →

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14 Anatomy of a tooth

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16 Salivary glands

17 Deglutition

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19 Parts of the stomach

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23 Villi in the lining of the small intestine

24 Parts of the large intestine

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26 Parts of the liver, gallbladder, and pancreas

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28 Besides producing bile and releasing bilirubin, the liver:  helps maintain normal blood glucose levels  manufactures blood proteins necessary for clotting  removes toxins and poisons from the blood

29 1. What happens if bilirubin cannot leave the body and remains in the bloodstream? A.gluconeogenesis B.emulsification C.hyperbilirubinemia D.glycogenolysis

30 The pancreas and its functions

31 Food enters through the oral cavity and exits through the anus

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33 2. Which term is the first part of the large intestine? A.cecum B.duodenum C.jejunum D.pylorus

34 3. Which term means swallowing? A.mastication B.deglutition C.emulsification D.peristalsis

35 Examples of Combining Forms Combining Form MeaningTerminology bucc/ocheek buccal mucosa celi/o belly, abdomen celiac dent/itoothdentibuccal esophag/oesophagusesophageal sialaden/o salivary gland sialadenitis

36 Three types of anastomoses

37 Examples of Suffixes SuffixMeaningTerminology -aseenzymelipase -cheziadefecationhematochezia -iasis abnormal condition choledocholithiasis -prandialmealpostprandial

38 4. Which term means inflammation of the lip? A.cholecystitis B.celiac C.appendicitis D.cheilitis

39 Examples of signs and symptoms:  anorexia – Lack of appetite  ascites – Abnormal accumulation of fluid in the abdomen  eructation – Gas expelled from the stomach through the mouth  steatorrhea – Fat in the feces; frothy, foul- smelling fecal matter

40  aphthous stomatitis – inflammation of the mouth with small, painful ulcers  dental caries – tooth decay  herpetic stomatitis – inflammation of the mouth by infection with the herpesvirus.  oral leukoplakia – white plaques or patches  periodontal disease – inflammation and degeneration of the gums, teeth and surrounding bone.

41  achalasia – Failure of the lower esophagus sphincter (LES) muscle to relax

42  esophageal varices – Swollen, varicose veins at lower end of the esophagus.  gastric carcinoma – Malignant tumor of the stomach.

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44  gastroesophageal reflux disease (GERD) – Solids and fluids return to the mouth from the stomach  peptic ulcer – Open sore or lesion of the mucous membrane of the stomach or duodenum.

45  hernia – Protrusion of an organ or part through the muscle normally containing it.

46  anal fistula – Abnormal tube-like passageway near the anus.  colonic polyposis – Polyps protrude from the mucous membrane of the colon.

47  colorectal cancer – Adenocarcinoma of the colon or rectum or both.

48  Crohn disease – Chronic inflammation of the intestinal tract.  diverticulosis – Abnormal side pockets (outpouchings in the intestinal wall.

49  dysentery – Painful, inflamed intestines  hemorrhoids – Swollen, twisted, varicose veins in the rectal region  ileus – Failure of peristalsis with resulting obstruction of the intestines

50  intussusception – Telescoping of the intestines  IBS – Irritable bowel syndrome- group of gastrointestinal symptoms associated with stress and tension  ulcerative colitis – Chronic inflammation of the colon with presence of ulcers  volvulus – Twisting of the intestines on itself

51  cirrhosis – Chronic degenerative disease of the liver  pancreatitis – Inflammation of the pancreas  viral hepatitis – Inflammation of the liver caused by a virus

52  cholelithiasis – gallstones in the gallbladder


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