Everest - Integumentary Characteristics and Pathologies
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| 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 |
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Created by:
hdarguzis
on 2010-02-04