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Integumentary System
Question | Answer |
---|---|
What are the four functions of the Integumentary System? | Protects body from injury, from intrusion microorganisms, help regulate body temperature, and houses receptors for sense of touch |
What are the three layers of skin? | Epidermis, Dermis, Subcutaneous |
Epidermis consists of? | Strata |
Stratum basale | site of cell production |
Stratum corneum | layers of dead cells sloughed off |
Dermis | middle layer |
What does the Dermis contain | blood vessels, nerves, nerve endings, glands, and hair follicles |
Subcutaneous | inner layer |
What is the subcutaneous composed of | adipose(fatty) tissue |
adip/o, lip/o, steat/o | fat |
cutane/o, derm/o, dermat/o | skin |
hidr/o | sweat |
hist/o, histi/o | tissue |
kerat/o, scler/o | hard |
myc/o | fungus |
trich/o | hair |
Lesions | arise from previously normal skin |
Flat, nonpalablechanges in skin color | Ex: macule/macula, patch |
Elevated, palpable, solid mass | Ex: papule, plaque, nodule, tumor, wheal |
Elevation formed by fluid within a cavity | Ex: vesicle, bulla, pustule |
cherry angioma | round, bright red blood vessel tumor; often seen on trunk |
telangiectasia(spider angioma) | radiate from central arteriole; most often found on face, neck, or chest |
petechia | minute hemorrhagic spot that indicate a bleeding tendency |
ecchymosis | bruise, black and blue mark; a large purpura(chymo=juice) |
cicatrix | scar |
keloid | abnormal overgrowth of scar tissue that is thick and iregular |
Kele | tumor |
neoplasm | abnormal tissue that grows by more rapid than normal |
verruca | epidermal growth caused by a papilloma virus(wart) |
BCC | basal cell carcinoma |