Integumentary System
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41 terms
Terms | Definitions |
|---|---|
 Structure of Integumentary System | Epidermis, Dermis |
| Epidermis | Outermost portion sub divided into Strata (Thin Layers) Composed of Epithelial Cells Prevents loss of H2O |
| Dermis | "True Skin" Framework for connective tissue Blood Vessels, Glands, Nerve Endings |
| Function of Integumentary System | Protection against infection (Stratum Corneum) Protection against dehydration (Epidermis-Keratin) Regulation of body temperature (B.V.) Sensory Organ |
| Stratum Corneum | (Outermost layer of epidermis) Form a tight interlocking pattern resistant to pathogen penetration and harmful chemicals in environment |
| 1st Degree Burn | Epidermis/Dermis Red/Painful (sunburn) Aloe/Tepid water |
| 2nd Degree Burn | Deeper Layers Blisters Severe Sunburn/Scalding H2O Tepid water |
| 3rd Degree Burn | Most Serious Full thickness of the skin and underlying tissue (muscle and connective tissues) Skin Grafts |
| Rule of Nines | % of body total area damaged by burns measures the seriousness of injuries and chances of survivals |
| Rule of Nines: Face | 4.5% |
| Rule of Nines: Torso | 18% |
| Rule of Nines:Arms | 4.5% |
| Rule of Nines:Legs | 9% |
| Rule of Nines:Groin | 1% |
| Keratin/Sebum | Lubricant for skin |
| Sweat Glands | Coiled,Tube-like In Dermis/Hypodermis Excretory tube-Opens at pore |
| Oil Glands | Sebaceous Sac-like Secrete oily substance called sebum Ducts open into hair follocles |
| Black heads | made up of dried sebum and karatin that collect at opening of gland |
| Vernix Caseosa | On babies when born Keeps baby skin extremely moist and hydrated |
| Hair | Composed of keratin Not living |
| Hair follicle | sheath where hair develops new hair formed at base |
| Arrector pili | "goose bumps" occur when thin bands of muscles contract making the follicle raise |
| Nails | Made of hard keratin Not Living New Growth develops at cuticle Nerve Endings are in skin under nail |
| Dermatitis | Any inflammation of the skin |
| Dermatosis | Any skin disease |
| Atopic Dermatitis (eczema) | Intense itching Skin Inflammation Redness Blisters Papules (pimple-like lesions) Scaling Crusting of skin |
| Common Acne | Disorder of sebaceous glands |
| Impetigo | Contagious disease of strep/staph in infants can be fatal if not treated Blister-like lesions filled with pus pus is infected with millions of bacteria |
| Acne Vulgaris | Most common form 14-25 |
| Alopecia | baldness Hereditary/aging/diabetes |
| Minoxidil | medicine that produces growth in hair |
| epidermophytosis | Athlete's foot Caused by fungus perspire a lot |
| Jaundice | Yellowish due to excessive bilirubin(produced by liver) |
| Cyanosis | Bluish Due to lack of oxygen (fingertips/lips) |
| Pallor | Paleness |
| Flush | Blush |
| Carotenemia | Yellowish/orange due to EXCESSiVE intake of vegetables(carrots) |
| Laceration | rough or jagged wound or tear |
| Excoriation | Scratch of the skin |
| Ulcer | Necrosis(death of) a tissue |
| Decubitus ulcer | In ppl. with diabetes or ppl. confined to wheelchair or bed |
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