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Everest Mod E
Everest - Integumentary Characteristics and Pathologies
| Question | Answer |
|---|---|
| Fat Cell | Lipocyte |
| Structural protein found in skin and connective tissue | Collagen |
| Black pigment found in the epidermis | Melanin |
| Deepest region of the epidermis | Basal Layer |
| Outermost layer of the epidermis, consists of flat, keratinized cells | Stratum Corneum |
| Oily substance secreted by the sebaceous gland | Sebum |
| Middle layer of the skin | Dermis |
| Hard, horny protein found in hair, nails and epidermis | Keratin |
| Band of epidermis at base and sides of nails | cuticle |
| Circumscribed collection of clear fluid of blister | vesicle |
| smooth, slightly elevated edematous area | wheal |
| discolored, flat lesion or freckle | macule |
| groove/crack like sore | fissure |
| mushroom-like growth extending from the surface of a mucous membrane | polyp |
| circumscribed collection of pus/small abscess | pustule |
| closed sac containing fluid or semi solid material | cyst |
| open sore or erosion of the skin | ulcer |
| solid elevation of the skin/pimple | papule |
| larger than 1-cm solid elevation of the skin | nodule |
| Corney Lucy's Grandma Spits Germs or Baseballs | stratum Corneum stratum Lucidum stratum Granulosum stratum Spinosum stratum Germinativum or Basale |
| 20-30 layers of flat dead cells, contains keratin, "waterproofing" | Stratum Corneum |
| Found ONLY on palms and soles of feet | Stratum Lucidium |
| granular cells, contains melanocytes | Stratum Granulosum |
| Protection from UV radiation, contains melanin | Stratum Spinosum |
| Innermost layer, contains melanocytes, always producing new cells | Stratum Germinativum/Basale |
| "Jobs" of Integumentary system | Protection, Vitamin D synthisis, body temp regulation, excretion, sensation |
| first sense developed in the embryo | touch |
| Characteristics of integumentary system | Largest organ (22ft), heaviest organ, most extensive blood supply |
| Outer most layer, no blood vessels or nerves, 4-5 layers | Epidermis |
| Inner layer, contains collagen, elastin, and ground substance, hair, nails, glands | Dermis |
| Responsible for light touch | Messiner's corpuscules |
| responsible for heavy touch | Pacinian corpuscules |
| consists of loose connective tissue and fat | Subcutaneous layer |
| Hair characteristics | protection, warmth, assists with touch, dead keratinized cells, filters pathogens |
| hair root and connective tissue hold hair in place | hair follicle |
| nerves stimulated when hair moves, and _____ _____ muscles are responsible for hair movement | Hair root plexus and erector pili |
| Nail characteristics | keratinized cells, protects ends of digits |
| Half-moon shaped white area at base of nail, where nail grows | Lunula |
| Clear visible portion | Nail body |
| Secrets oil/sebum | sebaceous glands |
| clogged sebaceous gland | white head |
| clogged sebum exposed to air | black head/comedome |
| sweat gland, located in | sudoriferous glands, palms, feet, forehead |
| 2 types of sweat glands | Eccrine & Apocrine |
| Modified apocrine gland | Mammory Glands |
| Cerminous Gland | subset of apocrine, secretes cerumen or earwax |
| Skin color is caused by... | pigmentation and blood flow |
| found in epidermis, can range from yellow to black | Melanin |
| Melanin producing cells, varying in color because of genetics and UV exposure, and protects from UV rays by getting darker (causing freckles) | Melanocytes |
| carotene | varies due to diet, yellow pigment in skin, can cause skin to turn orange if there is too much |
| chronic inflammation of sebacous glands & their hair follicles | Acne |
| local staphylococcus infection | boil |
| Group of boils | Carbuncle |
| MRSA | Methicillin Resistant Staphylococcus Aureus |
| Rapidly spreading acute bacterial infection | Cellulitis |
| small red spots that develop into vesicles, become filled with pus, burst, and develop a thick yellow crust | Impetigo |
| Neoplasm | new growth |
| benign tumor consisting of blood or lymph vessels | angioma |
| fatty tumor | lipoma |
| Nevus/Nevi | Mole |
| A B C D E | Asymmetry Border Color Diameter Elevation |
| slow growing benign tumor caused by a blockage of a sebaceous gland contains keratin, sebum, and hair follicle cells | sebaceous cyst |
| chronic condition causing inflammation, scaling, and crusting | Seborrheic Dermatitis |
| Most common skin cancer | Basal cell carcinoma |
| 1/3 of all skin cancers | squamous cell carcinoma |
| least common but most deadly skin cancer | malignant melanoma |
| Hair loss caused by aging, genetic predisposition, stress, chemicals | alopecia |
| 1st degree burn | redness, mild stinging, mild swelling |
| 2nd degree burn | redness , moderate to intense pain, swelling, blistering, can take up to six months to heal |
| 3rd degree burn | past the point of blisters, skin can be charred black or white, dermis and epidermis destroyed or damaged pain sensation interrupted |
| acute or chronic skin inflammation characterized by redness, eruptions, edema, scaling, itching can be caused by internal or external forces | Dermatitis |
| often interchanged with dermatitis but ONLY caused by internal forces | eczema |
| due to allergy or hypersensitivity most common cause food, pollens, or cosmetics | Atopic dermatitis |
| Dandruff or cradle cap | Seborrhec dermatitis |
| chronic condition causing red skin scaly skin and can be found on elbows, knees, scalp, back and buttocks | psoriasis |
| Hardening of connective tissue | scleroderma |
| hives | urticaria |
| vitiligo | loss of pigment |
| extremely contagious pariasitic skin infection marked be little red bumps, greatest contagious risk to MT's | scabies |
| Head lice | found on scalp and eyebrows, most common form of lice |
| chickenpox | varicella |
| verruca | wart caused by HPV |
Created by:
hdarguzis
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