Digestive system
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Transcript of Digestive system
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SENIORSENIORDIGESTIVE SYSTEMDIGESTIVE SYSTEM
Janet J. Nelson RNJanet J. Nelson RN
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Alimentary Alimentary Canal:Canal:
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PROCESS OF DIGESTION
1. INGESTION
2. MECHANICAL DIGESTION
3. CHEMICAL DIGESTION
4. MOVEMENTS
5. ABSORPTION
6. ELIMINATION
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Digestion Animation
http://www.pennmedicine.org/encyclopedia/em_DisplayAnimation.aspx?gcid=000041&ptid=17
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PERISTALSISPERISTALSIS
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SALIVARY GLANDSSALIVARY GLANDS
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DEGLUTITIONDEGLUTITION
http://www.hopkins-gi.org/Upload/200803141402_22821_000.swf
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BUCCAL PHASEBUCCAL PHASE
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PHARYNGEAL PHASEPHARYNGEAL PHASE
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ESOPHAGEAL PHASEESOPHAGEAL PHASE
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ESOPHAGEAL HIATUSESOPHAGEAL HIATUS
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Layers of the stomachLayers of the stomach
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EGDEGD
NOTICE: epiglottis, mucous lining of organs, valves, & NOTICE: epiglottis, mucous lining of organs, valves, & gastric pits.gastric pits.
http://daveproject.org/stomach-normal-upper-endoscopy/2005-01-11/
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GASTRIC PITGASTRIC PIT
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Gastric glands
Mucous cells= MUCOUS (thick & thin) Parietal cells= HCL acid and intrinsic factor
Chief cells= Pepsinogen Endocrine cells= Gastrin
EXOCRINE VS ENDOCRINE????
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QUIZ REVIEW Complete “Window in the Stomach” Use Pat and/or models to locate:
Salivary glands Esophagus Esophageal hiatus Stomach
Fundus Body Pylorus Two sphincters Rugae Layers
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EXOCRINE AND ENDOCRINE from small intestines
EXOCRINEPEPTIDASEMALTASE, SUCRASE, AND LACTASEINTESTINAL LIPASEMUCOUS CELLS
ENDOCRINE-To control bile and pancreatic juice secretion.
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GREATER OMENTUM
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Mesentery
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Peristalsis Animation
http://www.pennmedicine.org/encyclopedia/em_DisplayAnimation.aspx?gcid=000097&ptid=17
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http://www.anatomy.wisc.edu/courses/gross/