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Med Terminology: CH2
Sydney Henderson
| Term | Definition |
|---|---|
| 3 layers of skin | Epidermis, Dermis, Subcutaneous |
| Epidermis | Outer layer, consists of strata (layers) |
| Dermis | Middle layer, |
| Subcutaneous | Inner layer, composed of adipose (fatty) tissue |
| Melanin | dark brown to black pigment contained in melanocytes |
| Hair | outgrowth of the skin composed of keratin |
| patch | a flat, discolored area on the skin larger than 1 cm (e.g., vitiligo) |
| crust | a dried residue of serum (body liquid), pus, or blood on the skin (e.g., as seen in impetigo) |
| cherry angioma | a small, round, bright red blood vessel tumor on the skin, seen mostly in people over age 30 |
| telangiectasia | a tiny, red blood vessel lesion formed by the dilation of a group of blood vessels radiating from a central arteriole, most commonly on the face, neck, or chest (telos = end); also called spider angioma |
| dysplastic nevus | a mole with precancerous changes |
| first degree burn | a burn involving only the epidermis; characterized by erythema (redness) and hyperesthesia (excessive sensation) also called superficial burn |
| second degree burn | a burn involving the epidermis and the dermis; characterized by erythema, hyperesthesia, and vesications (blisters); also called partial-thickness burn |
| third degree burn | A burn that involves destruction of entire skin: epidermis, dermis and extends into the subcutaneous layer |
| AIDS | acquired immunodeficiency syndrome |
| BCC | basal cell carcinoma |
| Bx | biopsy |
| C & S | culture and sensitivity |
| FS | frozen section |
| HIV | human immunodeficiency virus |
| Neoplasm | abnormal tissue that grows by more rapid than normal |
| exanthematous viral disease | an eruption of the skin caused by a viral disease (exanthema = eruption) |
| Gangrene | death of tissue associated with loss of blood supply |
| herpes simplex virus type 1 (HSV-1) | An infection caused by herpes virus marked by eruption of vesicles around the mouth and nose |
| herpes simplex virus type 2 (HSV-2) | sexually transmitted, ulcer-like lesions of the genital and anorectal skin and mucosa; after initial infection, the virus lies dormant in the nerve cell root and may recur at times of stress |
| herpes zoster | viral disease affecting the peripheral nerves, characterized by painful blisters that spread over the skin following the affected nerves, usually unilateral; also known as shingles (zoster = girdle) |
| squamous cell carcinoma (SCC) | malignant neoplasm of the stratified squamous epithelium |
| vitiligo | a condition in which the pigment is lost due to melanin destruction, creating areas of white patches on the skin or hair |
| biopsy | removal of a small piece of tissue for microscopic pathologic examination |
| excisional biopsy | removal of an entire lesion |
| incisional biopsy | removal of a selected portion of a lesion |
| shave biopsy | a technique using a surgical blade to "shave" tissue from the epidermis and upper dermis |
Created by:
SyddySyd
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