chapters 3
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| Integumentary system contains what? | skin, hair, nails, sebaceous glands, sweat glands
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| The skin is alsso called what? | integument, cutaneous membrane
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| How much does the skin in an adult why? (approximately) | 20 pounds
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| What do the sweat glands do? | assist body in maintaing internal temperature
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| What do the sebaceous glands do? | produce sebum, lubricate skin surface
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| The skin consists of what? | Epidermis, dermis, subcutaneous layer
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| What is the epidermis? | Thin, outer membrane layer of skin
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| What is the Dermis? | middle, fibrous connective tissue layer
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| What is the Subcutaneous layer? | innermost layer of fatty tissue
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| What is the deepest layer of the Epidermis? | Basal layer
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| Describe the function of the basal layer. | cells continuously grow and push old cells toward surface, during this process dead cells fill with keratin
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| What is Keratin? | fibrous protein
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| What are Melanocytes? | cells in basal layer, produce black pigment known as melanin, give skin color, protects against ultraviolet rays of sun
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| What is another name for the Dermis? | corium
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| What is the dermis composed of? | connective tusse and collagen fibers
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| What is another name for the subcutaneous layer? | hypodermis
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| Hair consists of what? | hair folicle, hair root, hair shaft, arrector pili muscle
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| what gives hair its color? | melanin
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| Describe function of sebaceous glands | open into hair folicles, secrete the oil sebum, which lubricates ahri and skin and prevents cracking and drying
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| What is another name for the sweat glands? | sudorifeous glands
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| What is the apocrine gland? | foundin pubic and under arm area, produces thick swear that can smell
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| word for inflammation of the skin | dermatitis
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| name for skin specialist | dermatologist
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| word for abnormal condition of no sweat | anhidrosis
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| name for black tumor | melanoma
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| word for abnormal condition of death | necrosis
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| word for red skin | erythroderma
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| word for pus skin | pyoderma
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| name for injury caused by a blow that causes swelling, pain and bruising | contusion
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| word for bluish tink to skin caused by deoxygenated blood | cyanosis
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| word for blood collecting under skin following blunt trama | eccymosis (bruise)
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| word for red flushing of skin | erythema
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| word for excessive hair growth | hirsutism
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| word for thick hypertrophic scar | keloid
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| word for spots from hemorrhages under skin | petechia
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| word for skin hemorrhage due to fragile blood vessels | purpura
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| name for flat, discolored spot on skin | macule
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| name for firm, solid mass larger than 0.5 cm | nodule
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| name for small, solid raised spot smaller than 0.5 cm | papule
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| what is a first degree burn | skin reddened and painful, no blisters, damage to epidermis
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| what is a second degree burn | skin reddened and painful with blisters, damage to epidermis and dermis
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| what is a third degree burn | skin charred, epidermis and dermis burned away, subcutaneous layer exposed
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| what is cellulitis | diffuse acute infection of connective tissue of skin
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| what is scabies | mite infestation
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| what is varicella | contagious viral infection; chickenpox
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| what is alopecia | absence or loss of hair
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| describe biopsy (BX) | removal of piece of tissue to examine under a microscope
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| what is a dermatome | instrument for cutting skin or for producing thin transplants of skin
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| describe cauterization | desctruction of tissue by using chemicals, electricity, heat or freezing
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