BIOL 204 Lab For Week 11

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BIOL 204 Lab For Week 11 Digestive System
Anatomy
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Activity 1 Microscopic Anatomy of the GI
Tract The GI tract consists of a tube that
extends from the mouth to the anus. It has four
tissue layers (tunics)
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There are structural modifications of the tunics
in various areas of the GI tract
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Another, detailed view of GI tract tunics
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Gastroesophageal Junction
Different microscopic views
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Histology of The Stomach Wall
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Histology of the Small Intestine (Duodenum)
Micrograph
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Intestinal Villus
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Activity 2 Histology of Selected GI Tract Organs
A. The Pancreas Gross View
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Microscopic View of the Pancreas Islet Cells
endocrine secrete insulin and glucagon Acinar
Cells exocrine secrete digestive enzymes
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• The Liver
• Gross View of the Liver

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Liver Microscopic Anatomy
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Activity 3 Gross Anatomy of the GI Tract
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The GI Tract
The Mouth
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(No Transcript)
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The Esophagus
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The Stomach
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The Duodenum of the Small Intestine Receives the
Ducts of the Liver, Gall Bladder and Pancreas
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Portions of the Large Intestine
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Extrinsic Salivary Glands
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Types of Permanent Teeth
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Each jaw has 2 central incisors 2 lateral
incisors 2 canines (eyeteeth) 4
premolars 6 molars
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Internal Anatomy of a Tooth
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1. Diaphragm
2. Liver left lobe
3. Falciform Ligament
4. Liver right lobe
5. Stomach
6. Greater Omentum
7. Ascending Colon
8. Cecum
9. Small Intestine
10. Descending Colon
11. Sigmoid Colon

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An Appendix, Unfixed
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Gall Bladder on the Underside of the Liver
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Liver Gross View Serosal Surface
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Human Duodenum, Unfixed
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Abdomen of the Cat
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Cat Abdomen Greater Omentum Removed
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Gall Bladder and Lobes of the Liver
                                                  
                                                  
                                                  
                                                  
                     
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Small and Large Intestine Removed
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More Images
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1. Parotid Gland
2. Sublingual Gland
3. Submandibular Gland
4. Esophagus
5. Tongue
6. Masseter Muscle
7. Larynx
8. Trachea

                        
                                                                       

  1. Parotid gland   1. Parotid gland   1. Parotid gland   1. Parotid gland

  2. Sublingual gland   2. Sublingual gland   2. Sublingual gland   2. Sublingual gland   2. Sublingual gland   2. Sublingual gland

  3. Submandibular gland   3. Submandibular gland   3. Submandibular gland   3. Submandibular gland   3. Submandibular gland

  4. Esophagus   4. Esophagus   4. Esophagus   4. Esophagus   4. Esophagus   4. Esophagus   4. Esophagus

  5. Tongue   5. Tongue   5. Tongue   5. Tongue   5. Tongue

  6. Masseter muscle   6. Masseter muscle   6. Masseter muscle   6. Masseter muscle   6. Masseter muscle   6. Masseter muscle   6. Masseter muscle

  7. Larynx   7. Larynx   7. Larynx   7. Larynx   7. Larynx

  8. Trachea   8. Trachea   8. Trachea   8. Trachea   8. Trachea   8. Trachea   8. Trachea
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1. Liver 4. Ascending Colon
2. Stomach 5. Pancreas
3. Duodenum 6. Spleen