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The Integumentary System: Pathological Conditions
Vocabulary for the Integumentary System: Pathological Conditions
15
Medical
09/07/2009

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Term
Acne vulgaris
Definition
A common inflammatory disorder seen on the face, chest, back, and neck; appears as papules, pustules, and comedos; commonly known as acne.
Term
Albinism
Definition
A condition characterized by absence of pigment in the skin, hair, and eyes.
Term
First-degree burn
Definition
Tissue injury produced by flame, heat, chemicals, radiation, electricity or gases, characterized by redness and swelling of the epidermis, pain, and spontaneous healing with peeling in about three to six days with no scarring.
Term
Second-degree burn
Definition
Tissue injury produced by flame, heat, chemicals, radiation, electricity or gases, characterized by a blistering pink to red color with some swelling, the involvement of the epidermis and upper layer of the dermis, sensitivity and pain, and healing in approximately two weeks without scarring if no wound infection or trauma occurs during the healing process.
Term
Third-degree burn
Definition
Tissue injury produced by flame, heat, chemicals, radiation, electricity or gases, characterized by massive necrosis of the epidermis and entire dermis possibly involving subcutaneous tissue and muscle, a brown, black, tan, white, or deep cherry red appearance with a eschar (dry crust) and coagulated capillaries, pain according to the amount of nerve tissue involved, and requiring extensive healing with debridement and grafting.
Term
Callus
Definition
A common (usually painless) thickening of the epidermis at sites of external pressure or friciton, such as the weight-bearing areas of the feet and on the palmar surface of the hands, also known as a callosity.
Term
Basal cell carcinoma
Definition
The most common malignant tumor of the epithelial tissue, occuring most often on areas of the skin exposed to the sun.
Term
Squamous cell carcinoma
Definition
A malignancy of the squamous (or scalelike) cells of the epithelial issue, which is a much faster growing cancer than basal cell carcinoma and which has a greater potential for metastasis if not treated.
Term
Eczema
Definition
An acute or chronic inflammatory skin condition characterized by erythema, papules, vesicles, pustules, scales, crusts, or scabs and accompanied by intense itching.
Term
Herpes zoster (shingles)
Definition
An acute viral infection characterized by painful vesicular eruptions on the skin following along the nerve pathways of underlying spinal or cranial nerves.
Term
Impetigo
Definition
Contagious superficial skin infection characterized by serous vesicles and pustules filled with millions of staphylococcus or streptococcus bacteria, usually forming on the face.
Term
Kaposi's sarcoma
Definition
Vascular malignant lesions that begin as soft purple-brown nodules or plaques on the face and oral cavity but can occur anywhere on the body, and gradually spread throughout the skin.
Term
Malignant Melanoma
Definition
Malignant skin tumor originating from melanocytes in preexisting nevi, freckles, or skin with pigment; darkly pigmented cancerous tumor.
Term
Tinea:
capitis
corporis
cruris
pedis
Definition
A chronic fungal infection of the skin that is characterized by scaling, itching, and sometimes painful lesions, that is otherwise known as ringworm, on the:

scalp
body
groin
feet
Term
Wart (verruca)
Definition
A benign, circumscribed, elevated skin lesion that results from hypertrophy of the epidermis; caused by the human papilloma virus.