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65 Cards in this Set

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EPITHELIUM
Cells covering external and internal surfaces of the body.
EPIDERMIS
Thin outer layer of the skin.
MELANIN
Dark brown to black pigment contained in melanocytes.
DERMIS
Dense, fibrous connective tissue layer of skin. (corium)
SEBACEOUS GLAND
Oil glands in skin.
SEBUM
Oily substance secreted by sebaceous gland.
SUDORIFEROUS GLAND
Sweat glands.
SUBCUTANEOUS LAYER
Connective and adipose tissue layer under the dermis.
What is KERATIN?
Hard protein material found in epidermis; hair and nails.
What is a LESION?
Area of pathologically altered tissue. (2 types: primary and secondary).
What is a MACULE?
Flat, discolored spot on the skin up to 1cm across.
NODULE
Solid mass greater than 1cm, extends deep into the epidermis.
WHEAL
Area of localized skin, edema (swelling).
VESICLE
Little bladder; elevated fluid filled sac (small blister) w/in or under the epidermis up to 0.5cm in diameter.
BULLA
Large Blister; larger than 0.5cm.
PUSTULE
Pus filled sac.
ULCER
Open sore on skin; mucous membrane that can bleed and scar; sometimes accompanied by infection.
EXCORIATION
Scratch mark.
FISSURE
Linear crack in skin.
SCALE
Thin flake of exfoliated epidermis.
CICATRIX
Mark left by healing of a sore/wound, showing replacement of destroyed tissue by fibrous tissue.
KELOID
Abnormal overgrowth of scar tissue that is thick and irregular.
CHERRY ANGIOMA
Small, round, bright red blood vessel tumor on skin; often on trunk of elderly.
PURPURIC LESIONS
Lesions resulting from hemorrhages into the skin; purpura.
PETECHIA
Spot; reddish-brown, minute hemorrhagic spots on skin that indicate a bleeding tendency; small purpura.
ECCHYMOSIS
Bruise; black and blue mark; large purpura.
NEVUS
Birthmark; congenital malformation on skin that can be epidermal/vascular, also called mole.
DYSPLASTIC NEVUS
Mole with precancerous changes.
VERRUCA
Epidermal tumor caused by papilloma virus; Wart.
ALOPECIA
Fox mange; baldness; natural/unnatural deficiency of hair.
COMEDO
Blackhead caused by a plug of sebum (oil) w/in opening of a hair follicle.
ERYTHEMA
Redness of skin.
PRURITIS
Severe itching
SUPPURATION
Production of purulent matter (PUS).
URTICARIA
Hives, erruption of wheals on skin accompanied by itch.
XERODERMA
Dry skin.
ALBINISM
Hereditary condition characterized by partial/total lack of melanin pigment.
DERMATITIS
Inflammation of skin characterized by erythema pruritis and various lesions.
VARICELLA
Tiny spot; CHICKEN POX.
ECZEMA
To boil out; skin condition; appearance of inflamed, swollen papules and vesicles that crust and scale with sensations of itching and burning.
FURUNCLE
Boil; painful nodule formed in skin by inflammation originating in a hair follicle, caused by staphylococcosis.
GANGRENE
Eating sore; death of tissue associated w/ loss of blood supply.
HERPES
Type 1: Cold sores, infect facial area.

Type 2: STD, ulcer like lesion of genitals.

Zoster: Viral disease affecting peripheral nerves; blisters all over skin-shingles.
IMPETIGO
Bacterial skin inflammation marked by pustules that rupture and crust; around mouth and nostrils.
ACTINIC KERATOSES
Localized thickening of skin caused by excessive exposure to sun light, precursor to cancer.
SQUAMOUS CELL CARCINOMA
Malignant tumor of squamous epithelium.
BASAL CELL CARCINOMA
Malignant tumor of basla layer of epidermis. (most common type of skin cancer.)
MALIGNANT MELANOMA
Malignant tumor composed of melanocytes.
ONYCHIA
Inflammation of fingernail/toenail.
PARONYCHIA
Inflammation of nail fold.
PEDICULOSIS
Infestation with lice causing itching and dermatitis.
PSORIASIS
Itching, chronic, recurrent skin disease; silver-gray scales covering red patches on skin; overproduction and thickening of skin cells.
TINEA
Group of fungal skin diseases; identified by body part affected.
TINEA CORPIS: Body-ringworm
TINEA PEDIS: Foot-athletes foot
VITILIGO
Condition caused by destruction of melanin results in appearance of white patches on skin.
EXCISIONAL BIOPSY

EXCISIONAL Bx
Removal of entire lesion.
INCISIONAL BIOPSY

INCISIONAL Bx
Removal of selected portion of a lesion.
SHAVE BIOPSY

SHAVE Bx
Technique using surgical blade to shave tissue from epidermis and upper-dermis.
CULTURE AND SENSITIVITY

C&S
Technique of isolating and growing colonies of microorganisms to identify pathogen and determine which drug could be effective for combat.
SCRATCH TEST
Substance applied to skin thru a scratch.
PATCH TEST
Substance applied topically to skin on small piece of blotting paper/wet cloth.
CRYOSURGERY
Destruction of tissue by freezing w/ application of extremely cold chemical.
DERMABRASION
Surgical removal of epidermis frozen by aerosol spray using wire brushes and emery papers to remove scars, tattoo's, and wrinkles.
DEBRIDEMENT
Removal of dead tissue from wound/burn site to promote healing and prevent infection.
INCISION AND DRAINAGE

I&D
Incision and drainage of infected skin lesions.
MOHS SURGERY
Technique used to excise tumors of skin by removing fresh tissue layer by layer until a tumor-free plane is reached.