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Med Terminology: CH2

Sydney Henderson

TermDefinition
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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