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Chapter 2
Integumentary System
| Question | Answer |
|---|---|
| dermo/o | skin |
| kerat/o | hard |
| onych/o | nail |
| seb/o | sebum (oil) |
| xanth/o | yellow |
| stratum basale | deepest layer of epidermis that gives color to the skin |
| sebaceous glands | oil glands in the skin |
| collagen | protein substance in skin and connective tissue (koila = glue; gen = producing) |
| lesion | an area of pathologically altered tissue; types of lesions are primary, secondary, vascular, and purpuric |
| papule | a solid mass on the skin up to 0.5 cm in diameter (e.g., a nevus [mole]) |
| wheal | an area of localized skin edema (swelling) (e.g., a hive) |
| secondary lesions | lesions that result in changes to primary lesions |
| scale | a thin flake of exfoliated epidermis (e.g., dandruff) |
| purpuric lesions | purpura; lesions resulting from hemorrhages into the skin |
| keloid | an abnormal overgrowth of scar tissue that is thick and irregular (kele = tumor) |
| albinism | A hereditary condition characterized by partial or total lack of melanin pigment (particularly in the skin, hair, and eyes) |
| third degree burn | A burn that involves destruction of entire skin: epidermis, dermis and extends into the subcutaneous layer |
| rubella | An acute but mild disease cause by rubella virus, also called German Measles |
| gangrene | death of tissue associated with loss of blood supply |
| squamous cell carcinoma | malignant neoplasm of the stratified squamous epithelium |
| onychia | inflammation fo the fingernail or toenail |
| pediculosis pubis | infestation with the pubic or crab louse, especially in the pubic hair (pubis = groin) |
| biopsy (Bx) | removal of a small piece of tissue for microscopic pathologic examination |
| scratch test | a test in which a substance is applied to the skin through a scratch |
| debridement | removal of dead tissue from a wound or burn site to promote healing and to prevent infection |
| fulguration | to lighten; use of long, high-frequency, electric sparks to destroy tissue; the active electrode does not touch skin |
| Mohs surgery | a technique used to excise tumors of the skin by removing fresh tissue, layer by layer, until a tumor-free plane is reached |
| radiation therapy | treatment of neoplastic disease using ionizing radiation to deter the proliferation of malignant cells |
| antibiotic | a drug that kills or inhibits the growth of microorganisms |
| anti-inflammatory | a drug that reduces inflammation (swelling) |