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skin
integumentary
| Question | Answer |
|---|---|
| get larger | dilate |
| get smaller | constrict |
| sudoriferous | sweat glands |
| sebaceous | oil glands, not on palms/soles of feet, secretes sebum |
| Alopecia | permanent hair loss |
| what hair is made of | keratin |
| hair grows from | follicle |
| hair projects from skin | shaft |
| hair embedded in skin; determines whether hair is straight or curly | root |
| melanin color | brown/black |
| carotene color | red/yellow |
| ceruminous glands | apocrine gland, located in outer ear, secretes earwax, cerum |
| erythema | reddish color, caused by burns/congestion of blood vessels |
| jaundice | yellow discoloration, caused by bile in blood |
| cyanosis | blusish skin, insufficient 02; heart, lung, circulatory ds |
| macules | flat spots |
| papules | firm raised |
| vesicles | blisters, fluid filled |
| pustules | pus filled |
| crusts | dried pus/blood |
| wheals | itchy elevated w/irregular shapes (insect bites/hives) |
| ulcer | deep loss of skin surface |
| describe nails | keratinized/dead epidermal cells |
| where do nails grow | under the lunula of nail bed |
| UV rays help skin produce | Vitamin D |
| topical medication | transdermal meds |
| where is adipose tissue | subcutaneous fascia |
| skin temporarily stores | fat, glucose, water, vitamins, salt |
| sensory perception responds to | pain, pressure, temperature, touch |
| functions of skin | barrier to sun, invasion of pathogens, holds moisture |
| AKA epidermis | germinativum/stratum |
| basale | makes new skin cells to replace old cells |
| stratum corneum | outermost/ top layer that is shed constantly |
| dermis | (corium/ true skin), tough, leathery fibrous connective tissue; only part vascularized |
| subcutaneous | (hypodermis) superficial fascia; mostly fat, insulates & absorbs shock, anchors skin |