The document outlines the primary and accessory structures of the digestive system. The primary structures include the mouth, esophagus, stomach, and small and large intestines. Accessory structures are the tongue, teeth, salivary glands, pancreas, liver and gallbladder. Each structure is then further defined, such as the stomach having three portions and two sphincters.

2. Essential Question
What are the structures of the
digestive system?
2.07 Remember the structures of the
digestive system 2

3. Structures of the digestive
system
Digestive system
 Also known as:
 Alimentary Canal
 Digestive Tract
 Gastrointestinal Tract
 Upper GI
 Lower GI
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digestive system 3

4. Structures of the digestive
system
Primary structures
 Mouth (oral cavity)
 Esophagus (gullet)
 Stomach
 Small intestine
 Large intestine (colon)
Accessory structures
 Tongue
 Teeth
 Salivary glands
 Pancreas
 Liver
 Gall bladder
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digestive system 4

5. Structures of the digestive system
Mouth
(buccal /oral cavity)
 Tongue
 Teeth
 Salivary Glands
 Palate
 Uvula
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digestive system 5

6. Structures of the digestive
system
Tongue
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digestive system 6

7. Structures of the digestive
system
Teeth
Primary (deciduous)
Secondary (permanent)
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digestive system 7

8. Structures of the digestive
system
Salivary glands
 Parotid gland
 Submandibular gland
 Sublingual gland
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digestive system 8

9. Structures of the digestive
system
Palate
 Hard
 Soft
Uvula
 Flap of skin
hanging in the
back of the throat
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digestive system 9

10. Structures of the digestive
system
Pharynx (throat)
 Nasopharynx
 Oropharynx
 Hypopharynx
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digestive system 10

11. Structures of the digestive
system
Esophagus
Four wall layers
– Mucosa
– Submucosa
– Muscular
– External serous
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digestive system 11

12. Structures of the digestive
system
Stomach
3 Portions
Fundus, Body, Pylorus
2 sphincters
Cardiac and Pyloric
4 wall layers
Mucosa, submucosa, muscular and serous
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digestive system 12

13. Structures of the digestive
system
Small intestines
Duodenum
 First segment
Jejunum
 Second segment
Ileum
 Third segment
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digestive system 13

14. Structures of the digestive
system
Accessory Organs
Pancreas
Liver
Gall Bladder
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digestive system 14

15. Structures of the digestive system
Large intestine
(colon)
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digestive system 15

16. Structures of the digestive system
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2.07 Remember the structures of the
digestive system 16

17. Essential Question
What are the structures of the
digestive system?
2.07 Remember the structures of the
digestive system 17