Transcript Functions and Disorders of the Integumentary System

Essential Questions:
 What are the functions of the integumentary system?
 What are some disorders of the integumentary
system?
 How are integumentary system disorders treated?
 How do you relate the integumentary system to the
body’s communication systems?
3.06: Understand the functions and disorders of
the integumentary system
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Functions of the integumentary system
 What are the functions
of the skin?
 What structures are
involved in these
functions?
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3.06: Understand the functions and disorders of
the integumentary system
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Functions of the integumentary system
 Epidermis
 What is the function of
the epidermis?
 What do melanocytes
do?
 What is a major
function of intact skin?
 The epidermis is
composed of dead and
living cells. What in
their relevance to
health?
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Functions of the integumentary system
 Epidermis
 Why are some people dark and others fair?
 Can that be changed?
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Functions of the integumentary system
 Dermis
 How is the dermis
different from the
epidermis in its
function?
 Why is this important to
your health?
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Functions of the integumentary system
 Subcutaneous
layer
 Hypodermal layer
Hypo-
dermal
 What are the benefits of
the subcutaneous layer
of skin?
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Functions of the integumentary system
 Hair
 What is the function of
hair?
 What factors influence
hair type and color?
 What happens to your
hair when you are cold?
Why?
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Functions of the integumentary system
 Nails
 Not just a pretty color!
 What does the condition of
a person’s nails tell about
their general health?
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Functions of the integumentary system
 Glands
 Sudoriferous glands
 Why does sweat smell
bad?
 Sebaceous glands

What role do sebaceous glands
have in relation to pimples?
Pimple
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Functions of the integumentary system
review
 What are the functions
of the skin?
 What structures are
involved in these
functions?
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Functions of the integumentary system
The skin has remarkable
ability to heal itself.
How does this happen?
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Disorders of the integumentary system
Acne vulgaris:
 What is acne vulgaris?
 How is it treated?
 Can it be prevented?
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Disorders of the integumentary system
Athlete’s foot
 What causes athlete’s
foot?
 Does everyone have
the same symptoms?
 How is it treated?
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the integumentary system
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Disorders of the integumentary system
Burns:
 First-degree
 Second-degree
 Third-degree
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the integumentary system
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Disorders of the integumentary system
Burns:
 First-degree
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the integumentary system
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Disorders of the integumentary system
Burns:
 Second degree
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the integumentary system
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Disorders of the integumentary system
Burns:
 Third-degree
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Disorders of the integumentary system
Burns:
 Compare the
different
degrees of
burns.
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Disorders of the integumentary system
Burns:
Rule of Nines
 Used to quickly
assess percentage
of body surface
burned.
 Can be used to
determine extent of
treatment needed.
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Disorders of the integumentary system
Dermatitis/Eczema
 dermat-
-itis
 What is dermatitis?
 How are dermatitis and
eczema similar?
 How are they different?
 What is the treatment?
3.06: Understand the functions and disorders of
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Disorders of the integumentary system
Herpes
Herpes simplex virus
 Two types of HSV:
 HSV type 1
 HSV type 2
 What are the symptoms?
 How is it spread?
 What is the prognosis?
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the integumentary system
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Disorders of the integumentary system
Impetigo
 What two bacteria
cause impetigo?
 What are some risk
factors in
contracting
impetigo?
 How is it treated?
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Disorders of the integumentary system
Psoriasis
 Describe this
picture.
 Who is likely to have
psoriasis?
 What is the
treatment?
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Disorders of the integumentary system
Ringworm
 How is it spread?
Two examples of ringworm
How would this be diagnosed?
 What causes ringworm?
 What is the medical
term?
 How is it treated?
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Disorders of the integumentary system
Scabies
 What is the cause of
scabies?
 Is it contagious?
 How is it treated?
 How is it prevented?
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Disorders of the integumentary system
Shingles
 What is the cause of
shingles?
 Is it contagious?
 Who is most at risk?
 How is it prevented?
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Disorders of the integumentary system
Skin cancer
 What are the risk factors for
developing skin cancer?
 How can it be prevented?
 Three types:
 Basal cell carcinoma
 Squamous cell carcinoma
 Malignant melanoma
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Disorders of the integumentary system
Skin cancer
Basal cell carcinoma
 What is distinctive
about this type of skin
cancer?
 Where does it usually
form?
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the integumentary system
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Disorders of the integumentary system
Skin Cancer
Squamous cell
carcinoma
 What is skin cancer?
 Why does it develop?
 How is squamous cell
carcinoma different from
basil cell carcinoma?
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Disorders of the integumentary system
Skin cancer
Malignant melanoma
 How is malignant
melanoma different from
the other skin cancers?
 How are skin cancers
treated?
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Disorders of the integumentary system
Skin lesions:
Discuss the
characteristics of the
different skin lesions.
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Disorders of the integumentary system
Skin lesions:
Compare these types of skin lesions.
Macule
Ulcer
Papule
Pustule
Vesicle
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Disorders of the integumentary system
Skin lesion:
Decubitus ulcer
 What is an ulcer?
 What are decubitus
ulcers?
 How can they be
prevented?
 How are they treated?
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Disorders of the integumentary system
warts
 What causes warts?
 Are they contagious?
 Can they be prevented?
There are many different types!
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Essential Questions:
 What are the functions of the integumentary system?
 What are some disorders of the integumentary
system?
 How are integumentary system disorders treated?
 How do you relate the integumentary system to the
body’s communication systems?
3.06: Understand the functions and disorders of
the integumentary system
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