Chapter 2 Key Terms Flashcards
Lesions
Structural changes found in tissue that result from trauma or disease
Dermatology
The branch of medical science that relates to the diagnosis and treatment of skin conditions
Dermatologist
A physician whose medical expertise is diagnosing and treating skin conditions
Macule
A spot or discoloration level with the skin; a freckle
Papule
A small, elevated pimple in the skin; contains no fluid, but may develop pus
Wheal
An itchy, swollen lesion caused by a blow, scratch, or pressure
Nodule
A solid lamp, larger than a papule that may project above the skin or lie below it
Tumor
And abnormal swelling or enlargement, that can be malignant or benign
Vesicle
A small blister filled with clear fluid
Bulla
A large blister containing a watery fluid
Pustule
A small, row, raised area of inflamed skin filled with pus
Scale
A thin plate of horny epidermis
Crust
An accumulation of serum and pus, sometimes mixed with epidermal material
Excoriation
Abrasion or scratch on the skin
Fissure
A cut or crack in the skin
Ulcer
An open lesion on the skin or mucus membrane of the body; not caused by a wound
Keloid
The skin or film, that forms over a wound; contracts to later form a scar
Septicemia
Occurs when a bacterial infection enters the bloodstream also known as blood poisoning
Impetigo
Contagious infection of the skin; visible as brownish scabs, mainly around the mouth and nostrils
Streptococci
Spherical bacteria that causes such diseases that scarlet fever or pneumonia
Staphylococci
Bacteria typically occurring in clusters; inhabits the skin and mucous membranes
Abscess
An enclosed, pus containing cavity
Necrotic
Pertaining to dead tissue, surrounded by living tissue
Mycoses
Another name for fungal skin infections
Ringworm (tinea corporis)
A parasitic disease and its appendages; present as circular patches
Parasite
An organism that lives, and feeds off another organism
Pediculosis
Louse infestation
Herpes simplex
A virus, causing cold sores
Verruca vulgaris
A viral infection that causes the buildup of keratinized cells; commonly known as a wart
Verucca plantaris
A viral infection found on the soles of the feet; commonly known as a plantar wart
Urticaria
The itchy response to an allergen that causes mast cells to release histamine; commonly known as hives
Eczema
An inflammatory itching disease of the skin
Systemic
Pertaining to, or affecting the body as a whole
Epinephrine
A synthetic form of adrenaline that relaxes the airways and constrict blood vessels; used to treat asthma, and reduce blood loss
Anaphylactic shock
A sudden and potentially fatal allergic reaction in someone sensitive to a particular substance
Erythromycin
An antibiotic used to treat a broad range of bacterial infections
Milia
A white head of keratinized cells and sebum formed in a blind duct of the epidermidis
Acne rosacea
A form of acne usually occurring in adults, as opposed to adolescence, is visible as ruptured and dilated capillaries, usually around the nose and cheeks
Vasodilation
The widening of the blood vessels or arteries that increases blood flow
Seborrhea
In oily condition, caused by overactive sebaceous glands
Basal cell carcinoma
The most common type of skin cancer
Squamous cell carcinoma
The second common form of skin cancer; usually found on the lips and ears
Keratosis
Growth of hornlike tissue on the skin
Malignant melanoma
The most dangerous form of skin cancer, forms from the melanocytes in the epidermis
