1. 3.03 REMEMBER THE STRUCTURES OF THE SENSORY SYSTEM: Tongue

2. What are the structures of the sensory system: tongue?
ESSENTIAL QUESTIONS
What are the structures of the sensory system: tongue?
3.03 Remember the structures of the sensory system

3. 3.03 Remember the structures of the sensory system
THE SENSES
Eyes
Sight
Ears
Hearing
Nose
Smell
Tongue
Taste
Skin
Touch
3.03 Remember the structures of the sensory system

4. 3.03 Remember the structures of the sensory system
TONGUE
3.03 Remember the structures of the sensory system

5. STRUCTURES OF THE TONGUE
3.03 Remember the structures of the sensory system

6. STRUCTURES OF THE TONGUE
Taste receptors
Also known as gustatory buds or taste buds
What type of
tissue is
the tongue made?
skeletal
3.03 Remember the structures of the sensory system

7. 3.03 Remember the structures of the sensory system
TRIVIA TONGUE
Did you know…
Taste is the weakest of the five senses
We have almost 10,000 taste buds inside our mouths; even on the roofs of our mouths
Everyone’s tongue print is different similar to fingerprints
3.03 Remember the structures of the sensory system

8. 3.04 Understand the functions of the sensory system
Essential Questions
What are the functions of the sensory system: tongue ?
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9. Understanding the functions of the tongue
Taste
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10. Understanding the functions of the tongue
Gustatory receptors (taste buds)
Move food around while chewing
and helps you talk
Can you identify the cranial nerves?
V. trigeminal: mouth and chewing
IX. glossopharyngeal: taste, etc
XI. accessory: swallowing
XII. Hypoglossal: movement of the tongue
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11. Taste Trivia Did you know???
An adult has on average 9,000 taste buds (a child even 10,000)
More buds means the individual perceives more types of taste
The spicy foods (like chili peppers) stimulate the pain receptors, not the taste buds 11

12. Structures of the tongue: taste buds
Did you know…
eating chocolate makes the brain produce natural opiates
Produces a sense of well-being
Reduces pain
Makes you happy!
Agreeable or disagreeable?
Identify the taste bud.
sweet 12

13. Structures of the tongue: taste buds
Saltytaste bud.
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14. Structures of the tongue: taste buds
Agreeable or disagreeable?
Identify the taste bud.
bitter
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15. Structures of the tongue: taste buds
AgreeablSoure or disagreeable?
Identify the taste bud.
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16. Understanding the functions of the tongue
Taste
Salty
Sour
Sweet
Bitter
NEW!
Umami
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17. 3.04 Understand the functions and disorders of the sensory system
Sense of Taste
What is the relationship between the sense of taste and the sense of smell?
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18. Understanding the functions of the tongue
Taste Activity
Do you like all of your taste buds?
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19. Disorders of the tongue
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20. Disorders of the tongue
Glossitis
Gloss itis
An inflammation of the tongue
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21. Disorders of the tongue: Glossitis
What causes glossitis?
Allergic reactions to medications, food, and other irritants may aggravate the papillae and the muscle tissues
Diseases that affect your immune system may attack the tongue’s muscles and papillae, oral herpes simplex may contribute to swelling and pain in tongue
Low iron levels, myoglobin is important for muscle health
Dry mouth, caused by a lack of saliva
Trauma, injuries or inflammation (burns, braces, biting) 21

22. Disorders of the tongue: Glossitis
Treatment:
Antibiotics and other medications that get rid of infections may be prescribed if bacteria or fungi are present in your mouth or body
Pain drugs may also be ordered to relieve your pain until your condition is successfully treated.
What are the benefits of good oral hygiene in treatment and prevention of glossitis?
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23. Disorders of the tongue: Strawberry tongue
Cause is scarlet fever.
How are disorders of the tongue relevant to taste?
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24. Disorders of the tongue: Strawberry tongue
What are other causes of strawberry tongue?
Pernicious Anemia, Iron Deficiency Anemia and several more conditions
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25. Disorders of the tongue: Strawberry tongue
How are disorders of the tongue relevant to taste?
Disorders alter the taste of your food due to lack of taste buds functioning properly 25

26. 3.04 Understand the functions and disorders of the sensory system
Disorders of the tongue: Thrush
Oral thrush occurs when your immune system can’t maintain its natural defense against the Candida albicans fungus
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27. Disorders of the tongue: Thrush
Who most likely gets it?
Can be contacted at birth, vaginal yeast spread to newborn 27

28. 3.04 Understand the functions and disorders of the sensory system
Disorders of the tongue: Thrush
How is it prevented?
Practice good oral hygiene by brushing and flossing every day
Rinse out your mouth after using a corticosteroid inhaler
When taking antibiotics add acidophilus capsules or yogurt with Lactobacillus to your diet
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29. 3.04 Understand the functions and disorders of the sensory system
Disorders of the tongue: Thrush
How is it treated?
Antifungal medication
How are disorders of the tongue relevant to health?
Causes papillae to disappear
Food has no taste
Affects the way you eat and talk
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30. 3.04 Understand the disorders of the tongue
Essential Questions
What are the disorders of the sensory system: tongue?
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