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 2 Functions of the integumentary system What are the functions of the skin? What structures are involved in these functions? 4 3.06: Understand the functions and disorders of the integumentary system 3 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? 3.06: Understand the functions and disorders of the integumentary system 4 Functions of the integumentary system Epidermis Why are some people dark and others fair? Can that be changed? 3.06: Understand the functions and disorders of the integumentary system 5 Functions of the integumentary system Dermis How is the dermis different from the epidermis in its function? Why is this important to your health? 3.06: Understand the functions and disorders of the integumentary system 6 Functions of the integumentary system Subcutaneous layer Hypodermal layer Hypo- dermal What are the benefits of the subcutaneous layer of skin? 3.06: Understand the functions and disorders of the integumentary system 7 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? 3.06: Understand the functions and disorders of the integumentary system 8 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? 3.06: Understand the functions and disorders of the integumentary system 9 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 3.06: Understand the functions and disorders of the integumentary system 10 Functions of the integumentary system review What are the functions of the skin? What structures are involved in these functions? 4 3.06: Understand the functions and disorders of the integumentary system 11 Functions of the integumentary system The skin has remarkable ability to heal itself. How does this happen? 3.06: Understand the functions and disorders of the integumentary system 12 Disorders of the integumentary system Acne vulgaris: What is acne vulgaris? How is it treated? Can it be prevented? 3.06: Understand the functions and disorders of the integumentary system 13 Disorders of the integumentary system Athlete’s foot What causes athlete’s foot? Does everyone have the same symptoms? How is it treated? 3.06: Understand the functions and disorders of the integumentary system 14 Disorders of the integumentary system Burns: First-degree Second-degree Third-degree 3.06: Understand the functions and disorders of the integumentary system 15 Disorders of the integumentary system Burns: First-degree 3.06: Understand the functions and disorders of the integumentary system 16 Disorders of the integumentary system Burns: Second degree 3.06: Understand the functions and disorders of the integumentary system 17 Disorders of the integumentary system Burns: Third-degree 3.06: Understand the functions and disorders of the integumentary system 18 Disorders of the integumentary system Burns: Compare the different degrees of burns. 3.06: Understand the functions and disorders of the integumentary system 19 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. 3.06: Understand the functions and disorders of the integumentary system 20 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 the integumentary system 21 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? 3.06: Understand the functions and disorders of the integumentary system 22 Disorders of the integumentary system Impetigo What two bacteria cause impetigo? What are some risk factors in contracting impetigo? How is it treated? 3.06: Understand the functions and disorders of the integumentary system 23 Disorders of the integumentary system Psoriasis Describe this picture. Who is likely to have psoriasis? What is the treatment? 3.06: Understand the functions and disorders of the integumentary system 24 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? 3.06: Understand the functions and disorders of the integumentary system 25 Disorders of the integumentary system Scabies What is the cause of scabies? Is it contagious? How is it treated? How is it prevented? 3.06: Understand the functions and disorders of the integumentary system 26 Disorders of the integumentary system Shingles What is the cause of shingles? Is it contagious? Who is most at risk? How is it prevented? 3.06: Understand the functions and disorders of the integumentary system 27 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 3.06: Understand the functions and disorders of the integumentary system 28 Disorders of the integumentary system Skin cancer Basal cell carcinoma What is distinctive about this type of skin cancer? Where does it usually form? 3.06: Understand the functions and disorders of the integumentary system 29 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? 3.06: Understand the functions and disorders of the integumentary system 30 Disorders of the integumentary system Skin cancer Malignant melanoma How is malignant melanoma different from the other skin cancers? How are skin cancers treated? 3.06: Understand the functions and disorders of the integumentary system 31 Disorders of the integumentary system Skin lesions: Discuss the characteristics of the different skin lesions. 3.06: Understand the functions and disorders of the integumentary system 32 Disorders of the integumentary system Skin lesions: Compare these types of skin lesions. Macule Ulcer Papule Pustule Vesicle 3.06: Understand the functions and disorders of the integumentary system 33 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? 3.06: Understand the functions and disorders of the integumentary system 34 Disorders of the integumentary system warts What causes warts? Are they contagious? Can they be prevented? There are many different types! 3.06: Understand the functions and disorders of the integumentary system 35 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 36