Quizlet › Printing flashcards of MJE- A&P200 - Chpt 20 - Definitions

Flashcards: MJE- A&P200 - Chpt 20 - Definitions

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Acne vulgaris	A common skin condition that occurs when oils and dead skin cells clog the skin pores: usually called acne.
Alopecia	Baldness or loss of hair.
Cellulitis	An acute, spreading bacterial infection below the surface of skin characterized by redness, warmth, swelling and pain. Can also cause fever, chills, enlarged lymph nodes.
Contact dermatitis	Allergic reaction of skin caused by irritating substances coming in contact with it, often resulting in red irritated skin and occasionally in vesicles and rash.
Decubitus ulcer	Also, called pressure sores or bed sores. Area of skin and tissue that breaks down when constant pressure is maintained on it.

Dermis	One of two layers that compose the skin.
Eczema	Also, called atopic dermatitis. A chronic skin condition characterized by scaling, itching rashes and caused by allergic-type reaction on the skin.
Epidermis	One of the two layers that compose the skin.
Folliculitis	Inflammation or infection of hair follicles that most often appears in area that became irritated by shaving or the rubbing of clothes or where follicles and pores are blocked by oils and dirt.
Herpes simplex	Infection that primarily affects mouth or genital area.

Herpes zoster	Also called shingles. Infection caused by the varicella zoster virus that causes a painful rash. Virus causes chickenpox then lies dormant in nerves, with potential to reactivate as shingles.
Impetigo	Contagious skin infection most commonly found in children, caused by bacteria that form round, crusted, oozing spots typically around nose and mouth.
Malignant melanoma	Type of cancer arising from the melanocyte cell of the skin, which produce the pigment melanin, develops when melanocytes no longer respond to normal control mechanisms of cellular growth.
Pediculosis	An infestation of the hairy parts of the body or clothing with the eggs, larvae, or adults of lice.
Psoriasis	A common skin condition characterized by frequent episodes of redness, itching, and thick, dry scale that result from the accelerated movement of new skin from the lower layers of the skin the top, causing a buildup of dead skin cells.

Rosacea	A chronic and potentially life-disruptive disorder, primarily of the facial skin and often characterized by flare-ups and remissions.
Scabies	A contagious disorder of the skin caused by very small, wingless insects or mites called the human itch mite or _______ itch mite.
Sebaceous glands	Glands in the skin that produce sebum, an oil that acts to protect the body from dehydrationand the possible absoption of harmful substances.
Squamous cell carcinoma	A malignant tumor that affects the middle layer of skin.
Sudoriferous glands	Also called sweat glands. Glands that occur in nearly all regions of the skin but are most numerous in the palms and soles. The two types of sweat glands are the appocrine glands and eccrine glands.

Wart	A type of infection caused by viruses in the human papillomavirus (HPV) family that can grow on all parts of te body, including on the skin, inside the mouth, on the genitals, and the rectal area.