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Digestive system. Structure Abdominal Quadrants.

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Presentation on theme: "Digestive system. Structure Abdominal Quadrants."— Presentation transcript:

1 digestive system

2 Structure

3 Abdominal Quadrants

4 Abdominal Regions

5 Mouth where the digestive process begins consists of the tongue, salivary glands, teeth, and pharynx

6 Esophagus A tube 10 to 12 inches long that carries food from the mouth to the stomach

7 Stomach a hollow, muscular, J-shaped organ holds food from 3 to 4 hours has three parts: the fundus, body, and pylorus produces gastric juices that help break down food

8 Intestines the small intestine: where most of the food the body needs are absorbed into the bloodstream the large intestine: where most water is absorbed, wastes are changed into solid form

9 Appendix function is not known attached to the cecum

10 Liver The largest gland in the body helps control the amount of protein and sugar in the body by changing and storing excess amounts

11 Gallbladder a small hollow sac that is attached to the underside of the liver it releases bile from the liver into the small intestine to help digest a fatty meal

12 Pancreas located behind the stomach aids in the digestion of food produces insulin

13 Common Conditions of the Digestive System

14 Malignancies very common symptoms depend on location – indigestion – vomiting – constipation – obstruction – bloody stool

15

16 Ulcerations a sore or tissue breakdown common places: colon, stomach, duodenum

17

18 Hernias the intestine pushes through a weakened area of the abdominal wall

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20 Gallbladder Conditions cholecystitis: inflammation of the gallbladder cholelithiasis: formation of stones in the gallbladder

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22 Common Problems Related to the Lower Bowel diarrhea: multiple watery stools constipation: when stool passes through the colon too slowly – most severe form: fecal impaction bowel incontinence: involuntary passage of fecal material from the anus

23 Procedures Related to the Digestive System

24 Nasogastric Tube

25 NG Tube cont. may be placed for stomach decompression (ex. – during CPR) to give stomach rest to relieve nausea

26 Normal CT of Abd

27 CT Scans CTs may be done of abd/pelvis, with or without contrast (IV or PO) used to diagnose abnormalities/conditions of digestive system


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