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134 Cards in this Set
- Front
- Back
The skin and its accessory structures (hair and nails) |
Integumentary system |
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Four functions of skin |
Protects (membrane), lubricates & cools (sebum & sweat), receptor for sensations, maintains temperature (thermoregulation) |
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Outermost layer of skin consisting of squamous epithelium |
Epidermis |
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Middle layer of the skin; dense, fibrous connective tissue |
Dermis or Corium |
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Innermost layer of the skin, contains fat tissue |
Subcutaneous tissue |
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two functions of hair |
Sensory, thermoregulation |
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Cells filled with hard protein, keratin |
Hair cells |
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Shaft that holds hair; sac within which each hair grows |
Hair Follicle |
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Hard keratin plates covering toes and fingers |
Nails |
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Two types of skin glands |
Sebaceous, sweat |
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Fat cell |
Adipocyte |
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Person with skin deficient in pigment |
Albino |
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One of the largest dermal exocrine glands located in the axilla and genital areas |
Apocrine sweat gland |
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Deepest region of the epidermis; gives rise to all the epidermal cells; contains melanocytes |
Basal layer |
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Structural protein found in the skin and connective tissue |
Collagen |
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Band of epidermis at the base and sides of the nail plate |
Cuticle |
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Most numerous sweat - producing exocrine gland in skin |
Eccrine sweat gland |
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Layer of skin cells forming the outer and inner surfaces of the body |
Epithelium |
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Hard protein material found in the epidermis, hair, and nails |
Keratin |
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Half - moon shaped, whitish area at the base of a nail |
Lunula |
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Skin pigment formed by melanocytes in the epidermis; protects living skin layers from further exposure to UV rays |
Melanin |
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Soft tissue surrounding the nail border |
Paronychium |
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Tiny opening on the surface of the skin |
Pore |
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Oil - secreting gland in the dermis that is associated with hair follicles |
Sebaceous gland |
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Oily substance secreted by sebaceous glands |
Sebum |
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Flat, scale - like cells composing the epidermis |
Squamous epithelium |
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Arranged in layers |
Stratified |
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A layer (of cells) |
Stratum (plural strata) |
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Outermost layer of the epidermis; consists of flattened, keratinized cells |
Stratum corneum |
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Adip/o |
Fat |
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Albin/o |
White |
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Caus/o |
Burn, burning |
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Cauter/o |
Heat, burn |
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Cutane/o |
Skin |
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Derm/o |
Skin |
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Dermat/o |
Skin |
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Diaphor/o |
Profuse sweating |
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Erythem/o, erythemat/o |
Redness |
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Hidr/o |
Sweat |
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Ichthy/o |
Scaly, dry |
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Kerat/o |
Hard, horny tissue |
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Leuk/o |
White |
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Lip/o |
Fat |
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Melan/o |
Black |
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Myc/o |
Fungus |
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Onych/o |
Nail |
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Phyt/o |
Plant |
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Pil/o |
Hair, hair follicle |
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Py/o |
Pus |
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Rhythid/o |
Wrinkle |
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Seb/o |
Sebum |
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Squam/o |
Scale - like |
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Steat/o |
Fat |
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Trich/o |
Hair |
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Ungu/o |
Nail |
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Xanth/o |
Yellow |
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Xer/o |
Dry |
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Anthrac/o |
Black |
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Chlor/o |
Green |
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Cirrh/o |
Yellow |
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Cyan/o |
Blue |
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Eosin/o |
Rosy |
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Erythr/o |
Red |
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Jaund/o |
Yellow |
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Lute/o |
Yellow |
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Poli/o |
Gray |
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Pus- filled cutaneous lesion |
Pustule |
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Smooth, edematous, reddish papule or plaque |
Wheal |
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Fluid or semisolid thick - walled filled sac |
Cyst |
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Clear fluid, blister |
Vesicle |
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Dried serum and cellular debris |
Crust (scab) |
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benign growth extending from mucous membrane surface |
Polyp |
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Discolored, flat cutaneous lesion |
Macule |
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Wearing away, loss of epidermis |
Erosion |
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Solid, elevated mass, more than 1 cm |
Nodule |
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Slit or groove |
Fissure |
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Open sore on skin or mucous membrane |
Ulcer |
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Small solid elevation pimple or plaque |
Papule |
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The absence of hair where it normally grows |
Alopecia |
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Obsessive hair - pulling |
Trichotillomania |
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Blue - black marks on the skin |
Ecchymosis (bruise) |
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Small, pinpoint hemorrhage |
Petechia |
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Itching |
Pruritus |
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An acute allergic reaction with red, round wheals on the skin |
Urticaria (hives) |
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Papular and pustular eruption of skin with increased production of sebum |
Acne |
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Blackhead |
Comedo |
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A diffuse infection of the skin |
Cellulitis |
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Inflammation of the skin with erythematous and papulovesicular lesions caused by allergy |
Eczema (atopic dermatitis) |
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A rash due to a virus (for example rubella) |
Exanthematous viral disease |
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The death of tissue with loss of blood supply |
Gangrene |
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Contagious pyoderma caused by staph or strep |
Impetigo |
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Chronic recurrent dermatosis with silver gray scales that itch |
Psoriasis |
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Parasitic (tiny mites) and infectious pruritis |
Scabies |
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Chronic and progressive disease of the skin with hardening of connective tissue |
Scleroderma |
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An inflammatory disease of collagen in the skin, joints, and internal organs |
Systemic Lupus erythematosus (SLE) |
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infection of the skin caused by fungus |
Tinea |
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Tinea corporis |
Ringworm |
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Tinea unguium |
Nail fungus |
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Loss of pigment in areas of the skin causing milk - white patches |
Vitiligo |
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An increased growth of cells in keratin layer of epidermis due to friction against the skin |
Callus |
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Hypertrophied thickened scar after trauma or surgery |
Keloid |
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Thickened area of epidermis |
Keratosis |
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White, thickened patches on tongue or cheek |
Leukoplakia |
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Pigmented lesion |
Nevus (plural nevi) |
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Warts caused by virus |
Verruca |
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Malignant tumor of the basal cell layer of the epidermis |
Basal cell carcinoma |
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Malignant tumor of the squamous epthelial cells of the epidermis |
Squamous cell carcinoma |
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ABCDs of malignant melanoma |
Asymmetry, Border (irregular or circumscribed), Color variation, Diameter (usually larger than 6 mm) |
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Malignant, vascular, neoplastic growth characterised by cutaneous nodules |
Kaposi sarcoma |
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pus or fluid samples are examined to detect microorganisms |
Bacterial analyses |
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Scrapings for culture and microscopic examination after treatment with KOH |
Fungal tests |
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Destroy tissue with subzero temperatures using liquid nitrogen |
Cryosurgery |
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Scrape lesion with sharp curet (scalpel) |
Currettage |
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Destroy tissue by burning with electric spark |
Electrodessication |
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Removes thin layers of growth to examine under a microscope (basal and squamous cell) |
Mohs surgery |
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Punch and shave to remove for examination in pathology lab |
Skin biopsy |
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Test reaction of body to allergens via scratch or patch tests |
Skin tests |
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Bx |
Biopsy |
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Psoralen- ultraviolet A (light therapy for psoriasis |
PUVA |
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-algia |
Pain |
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-derma |
Skin |
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-esis |
Condition |
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-lysis |
Breakdown, separation, destruction, loosening |
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-ose |
Full of, pertaining to, sugar |
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-osis |
Condition, usually abnormal |
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-ous |
Pertaining to |
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-plakia |
Plaque |
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-plasty |
Surgical repair |
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-rrhea |
Flow, discharge |
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Epidermis does not contain... |
blood, lymphatic vessels, or connective tissue |
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Dead epithelial cells filled with keratin that slough off in 3 to 4 weeks |
Horny cells |
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Layer directly below the stratum corneum that continuously produces new cells to replace worn - off cells |
Stratum germinativum |
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Prevents drying of the skin of the eardrum and ear canal |
Cerumen |
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Infestation of lice |
Pediculosis |