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Integumentary system

Integumentary system. Dr. Peterson. Skin Anatomy and Function Nails Hair Color-related Integumentary Terms. General. The integumentary system is composed of the skin and its accessory structures: hair, nails, sebaceous glands, and sweat glands . The skin is the:

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Integumentary system

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  1. Integumentary system Dr. Peterson

  2. Skin Anatomy and Function • Nails • Hair • Color-related Integumentary Terms

  3. General • The integumentary system is composed of the skin and its accessory structures: hair, nails, sebaceous glands, and sweat glands. • The skin is the: • External covering of the body. • Largest organ in the body. • Supplied with blood vessels and nerves. integument covering derm skin derma skin dermat/o skin cutane skin kerat/o cornea (eye or skin)

  4. 4 Main Functions of the skin • Protection(against invasion by bacteria and other potentially harmful agents and mechanical injury of delicate cells located beneath outer covering) • Regulation (inhibits excessive loss of water and electrolytes; provides a reservoir for storing food and water; guards against excessive exposure to sun’s ultraviolet rays; and helps to produce the body’s supply of vitamin D) • Sensation (to lower body temperature by blood vessels in the skin dilate, bringing more blood to the surface for cooling by radiation and sweat glands secrete more sweat for cooling by means of evaporation; and to raise body temperature by skin’s blood vessels constrict, allowing more heat-carrying blood to circulate to the muscles and vital organs) • Secretion (sensory receptors for pain, touch, heat, cold, and pressure – brain triggers necessary response) aden gland hidr sweat

  5. In class activity: checking integrity of Meissner’s corpuscles (and dorsal columns) with tuning fork & Pacinian corpuscles (and cortex) with topesthesia

  6. Nails

  7. Nail terminology / conditions onych nail -itis inflammation par- around onych nail -ia condition • Onychitis • Paronychia • Onychomycosis • Subungual • Clubbed nails, ridged nails (onychorrhexis versus Beau’s lines) onych/o nail myc fungus -osis condition sub- below ungu nail -al pertaining to

  8. Hair trich/o hair lopec fox mange hirsute bristly hair

  9. Hair Terminology / Conditions a- without, lack of lopec fox mange -ia condition • Alopecia • Hirsutism • Trichomycosis trich/o hair myc fungus -osis condition

  10. Color-related Medical Terminology xanthyellow -oma tumor melan/o black -oma tumor • Xanthoma • Melanoma • Vitiligo • Leukoplakia • Jaundice • Ecchymosis • Erythroderma • Albinism leuk/o white plakplate -ia condition jaundyellow -ic(e) pertaining to erythr/o red -derma skin albinwhite -ism condition

  11. Image credits • Integumentary system: http://www.hilmersstudios.com/content/hilmersstudios/pages/medical/integumentary-system/integumentary-system_885x914.jpg • Tattooed baby: http://media-cache-ak0.pinimg.com/736x/fe/4e/97/fe4e979d094f7a5531475be974ee1b81.jpg • Nails: Pearson Medical Terminology 8th edition • Onychomycosis: http://www.aafp.org/afp/2001/0215/afp20010215p663-f5.jpg • Onychitis: http://www.alamy.com/thumbs/4/%7B0B0B237B-6E6F-4E3D-8964-B46CE886E4C6%7D/CT5YEW.jpg • Onychorrhexis: http://doctorv.ca/wp-content/uploads/2013/03/25ridging1219051.jpg • Beau’s line: https://www.dermquest.com/imagelibrary/large/026532HB.JPG • Hair: http://terriskitchenuk.files.wordpress.com/2012/01/hair2.jpg • Fox mange: http://static.bips.channel4.com/bips/orig/foxes-live-wild-in-the-city/articles/30f70746-2cd3-430c-a64e-2a309cc2b727.jpg • Alopecia: http://www.5138hairtherapy.com/upload/image/20130410/20130410053059_35065.jpg • Trichomycosis (axillaris): http://upload.wikimedia.org/wikipedia/commons/0/05/Trichomycosis-axillaris-armpit.jpg • Hirsutism: http://api.ning.com/files/aYVIEODNd2OL0BLqcPri-fxqPbnNGsJzGGSq0pieXwMXteoUM0w3u0cemQC7cud*bE1NSsR-XP1F-TYFOeBPc-EVTfqK1*Aq/Hairynevuswhereapersonhaspatchesofexcesshairgrowthorhirsutism.jpg?width=400&height=467 • Xanthoma: http://1.bp.blogspot.com/_spPW5leBYZ8/TFlLMoD3ObI/AAAAAAAAAGQ/nuyNfuv5rGY/s400/Xanthelasma.jpg • Melanoma: https://www.melanomacenter.com/images/slide2.jpg • Leukoplakia: http://s3.amazonaws.com/crp.bdg/2012/07/24/17/55/33/286/leukoplakia.png • Jaundice: http://www.google.com/imgres?imgurl=&imgrefurl=http%3A%2F%2Fcommons.wikimedia.org%2Fwiki%2FFile%3AJaundice_eye_new.jpg&h=0&w=0&tbnid=NaWpsrWMmyizsM&zoom=1&tbnh=146&tbnw=345&docid=QEBQgYyNVXvINM&tbm=isch&client=firefox-a&ei=4oXSU_b9K5KpyAS3oICICg&ved=0CAUQsCUoAQ • Erythroderma: http://1.bp.blogspot.com/-OtPj7wcv1BI/Ubn6IJnrMbI/AAAAAAAAAGw/nU5R4jOWV0g/s1600/a9.jpg • Albinism: http://i.huffpost.com/gen/1194752/thumbs/o-ALBINO-GORILLA-INBRED-facebook.jpg

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