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Anatomy: Integumentary System ReviewStudents will be able to:Identify the difference between the 4 linings/membranes of the body Recognize/explain the main function of the systemIdentify the function of keratin (protein)Differentiate between the epidermis, dermis, and subcutaneous layersRecognize what contributes to skin color (melanin, carotene, oxygen rich hemoglobin)Explain what causes bruisingIdentify and explain the appendages of the skin (sebaceous/sweat glands, hair/hair follicle, nail, sensory neurons)Identify the change in skin as you ageMatch descriptions and causes of disordersIdentify the difference between burn typesUse the rules of 9Identify the difference between skin cancer typesRecognize the ABCD’s of skin cancerHow does keratin play a role in protection for the integumentary system?Waterproof, toughness/protectionHow does sweat help us to maintain temperature?evaporationWhat tissue(s) in the integumentary system help to cushion and insulate our body?adiposeWhat vitamin is synthesized in our skin do to sunlight?DUse the terms epidermis, dermis, or subcutaneous for the following questions 5-17.Which layer of skin is composed of 5 layers of strata? _____E______________________Which layer makes up the strong and stretchy hide? _________D__________________Which layer is not directly part of the integumentary system? ____S_______________________Which layer insulates deep tissue from temperature changes? _____S______________________Which layer has an abundant blood supply and nerve endings? _____D______________________Which layer has no blood supply? ________________E___________Which layer is mainly adipose tissue? ______________S_____________Which layer contains keratinocytes? ________________E___________Which layer is ? stratum corneum? __________________E_________W Which layer makes up the strong and stretchy hide? ___D________________________Which layer is made of stratified squamous epithelium? ___E________________________Which layer contains melanocytes for producing melanin? __E_________________________Which layer contains the sebaceous and sweat glands? _____D______________________Is darker pigmentation caused by more melanocytes, or the production of more melanin per melanocyte?What cause skin to have a pink/flushed appearance?Oxygen rich hemoglobinCarotene causes a ___yellow/orange_________________________ undertone.What causes bruising?Blood escapes vesselsA yellow color known as jaundice may indicate a ___liver failure______________________.Exocrine glands release secretions through __ducts_______________.Sebaceous glands secrete a/an _________oil______________.Sweat glands mainly secrete ________water and salts______________________________.Where on your body would you not find sebaceous glands? palms and bottom of feetWhy are sebaceous glands important?Keeps skin soft, prevents hair from getting brittleContains chemicals for killing bacteriaSweat glands are also known as __sudoriferous glands_______________________________.Nails are a modification of the ___epidermis________________________.Other structures related to nails (in other organisms) are ____claws, hooves___________________________.Why does it take longer for people to heal as they become older? Cells reproduce more slowly Why is it easier to sustain injuries, such as cuts or abrasions as you age? ThinnerUse the disorder discussed in class to answer the following questions. (33-41)Fluid filled blisters caused by a virus. ______cold sore______________________Itchy red patches caused by exposure to a chemical _contact dermatitis ______________________Pus-filled bumps due to an infected hair follicle. ___boils_______________________Chronic condition where the body attacks its of tissue. ____psoriasis_____________________Fungal infection marked by red itchy patches and whit flaky skin. ___ athlete’s foot ____________________Lesions around the mouth and nose caused by staphylococcus. ____impetigo______________________A cluster of boils. ________carbuncles_____________________Autoimmune disorder that leads to the overproduction of skin cells. _psoriasis_______________________Caused by the Herpes Simplex virus. _________cold sore________________________Burn that requires skin grafts. _____3rd____________________Burn that only affects the epidermis. ____1st________________________Burn in which regeneration is not possible. __3rd_______________________Burn that affects the epidermis and upper layer of the dermis. ___2nd_____________________Burn that blisters. ______2nd_____________________Least serious of the burns. ____1st________________________Cancer that does not spread. __benign__________________________Cancer that spreads/moves. _____malignant_________________________Only 5% of skin cancers and can be deadly. _____ Malignent Melanoma_____________________Least malignant of the skin cancers. __ Basil Cell Carcinoma __________________________Skin cancer that is red, scaly, and can move to the lymph nodes. ____ Squamous cell carcinomaWhat does ABCD stand for when talking about cancer?Asymmetry, Border irregularity, Color, Diameter larger than 6mm (size of a pencil eraser)Drawings:DermisNoNoSubcutaneousStratum corneum60-64) no65)epidermis66) hair follicle67) hair shaft68) sebaceous gland duct ( no)69) sebaceous gland70) arrector pili muscle71) no72) no73) no74) bulb75) dermal papilla ................
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