3.04 Sensory functions and disorders of the
tongue and skin
3.04 Understand the functions and disorders of the sensory system
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3.04 Understand the functions and disorders of the sensory system
3.04 Understand the functions and disorders of the sensory system
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Essential Questions
•What are the functions of the sensory system?
•What are some disorders of the sensory system?
•How are sensory system disorders treated?
•How do you relate the body’s communication to the sensory system?
Understanding the functions of the tongue
3.04 Understand the functions and disorders of the sensory system
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Understanding the functions of the tongue
Gustatory receptors Gustatory receptors (taste buds)(taste buds)
Can you identify the Can you identify the cranial nerves?cranial nerves?
3.04 Understand the functions and disorders of the sensory system
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Taste TriviaDid you know???Did you know???
An adult has on average An adult has on average 9,000 taste buds (a child even 9,000 taste buds (a child even 10,000) 10,000)
More buds means the More buds means the individual perceives more individual perceives more types of tastetypes of taste
The spicy foods (like chili The spicy foods (like chili peppers) stimulate the pain peppers) stimulate the pain receptors, not the taste budsreceptors, not the taste buds
3.04 Understand the functions and disorders of the sensory system
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Structures of the tongue: taste buds
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Agreeable or disagreeable?Identify the taste bud.
Did you know…Did you know…
eating chocolate
makes the brain
produce natural
opiates
•Produces a sense of Produces a sense of
well-being well-being
•Reduces painReduces pain
•Makes you happy! Makes you happy!
Structures of the tongue: taste buds
3.04 Understand the functions and disorders of the sensory system
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Agreeable or disagreeable?Identify the taste bud.
Structures of the tongue: taste buds
3.04 Understand the functions and disorders of the sensory system
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Agreeable or disagreeable?Identify the taste bud.
Structures of the tongue: taste buds
3.04 Understand the functions and disorders of the sensory system
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Agreeable or disagreeable?Identify the taste bud.
Understanding the functions of the tongue
Taste Taste
3.04 Understand the functions and disorders of the sensory system
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Sense of TasteWhat is the relationship between the sense What is the relationship between the sense
of taste and the sense of smell?of taste and the sense of smell?
3.04 Understand the functions and disorders of the sensory system
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Understanding the functions of the tongue
Taste Activity Taste Activity
Do you like all of your taste buds?
3.04 Understand the functions and disorders of the sensory system
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Disorders of the tongue
GlossitisGlossitisGloss itisGloss itis
What causes glossitis?What causes glossitis?What are the benefits of good oral hygiene in What are the benefits of good oral hygiene in treatment and prevention of glossitis?treatment and prevention of glossitis?
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Disorders of the tongue
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Strawberry Strawberry tongue tongue due to
scarlet fever
What are other causes of strawberry tongue?
How is it treated?
How are disorders of the tongue relevant to taste?
3.04 Understand the functions and disorders of the sensory system
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Disorders of the tongue:
ThrushThrush
What is it?
Who most likely gets it?
How is it prevented?
How is it treated?
How are disorders of the tongue relevant to health?
The Skin
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Understanding the sensory functions of the skin
TouchTouchTactile corpuscles Tactile corpuscles (receptors)(receptors)
Temperature Temperature sensorssensors
Pain receptorsPain receptorsReferred painReferred painPhantom painPhantom pain
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Understanding the functions of the skin
TouchTouch
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Understanding the functions of the skin
Touch Activity
Guess what’s in the bag?Shhh…
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Disorders of the skin
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How do you think the disorders of the skin pictured impact the sensory function of the skin?
Burns Dermatitis
3.04 Understand the functions and disorders of the sensory system
3.04 Understand the functions and disorders of the sensory system
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Essential Questions
•What are the functions of the sensory system?
•What are some disorders of the sensory system?
•How are sensory system disorders treated?
•How do you relate the body’s communication to the sensory system?
3.04 Sensory functions and disorders of the tongue and skin
The EndThe End
3.04 Understand the functions and disorders of the sensory system
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