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Definition
| weighs about 7% total body weight, covers 2 square meters |
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Term
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Definition
| deepest layer, contains adipocytes, 50% of all body fat, contains large blood vessels and nerves, areolar and adipose tissue |
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Term
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Definition
| two sublayers, middle of skin, areolar and dense irregular tissue |
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Definition
| superficial, 20% of dermis, areolar tissue, sensory receptors, creates fingerprints |
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Term
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Definition
| deeper layer, 80% of dermis, dense irregular connective tissue, stretch marks and leather |
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Term
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Definition
| most superficial, stratified squamous, avascular |
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Term
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Definition
| most superficial squamous cells are constantly scraped off skin |
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Term
| cats love gut sucking bats |
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Definition
| corneum, lucidium, granulosum, spinosum, basale |
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Term
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Definition
| all cells are dead, desquamation |
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Term
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Definition
| all cells are dead, functional keratin is present |
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Term
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Definition
| 1/2 cells are dead, 1/2 are dying, precursor to keratin is being formed |
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Term
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Definition
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Term
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Definition
| non squamous in shape, cells are living but beginning to starve, begin to flatten |
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Term
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Definition
| base, all cells living, active by dividing by mitosis |
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Term
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Definition
| dark brown/black pigment, freckles, moles, protect from UV light |
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Term
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Definition
| yellow pigment, if you eat too much your skin turns yellow |
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Term
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Definition
| red pigment in rbc, with oxygen turns bright red, shows through epidermis to give red color on surface |
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Term
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Definition
| abnormal blue color to skin, when low O2 or extreme cold, can be reversed |
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Term
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Definition
| abnormal yellow color to skin and eyes, liver disease causes it |
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Term
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Definition
| embrologically, come from same tissue as epidermis |
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Term
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Definition
| decrease body temp by cooling skin |
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Term
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Definition
| physically attached to hair follicle, secretes sebum, lubricate and waterproof skin and hair |
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Term
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Definition
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Term
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Definition
| modified sweat gland, protect ear drum from injury |
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Term
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Definition
| modified sweat gland, makes milk, lactation, nourish newborn baby |
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Term
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Definition
| made of dead, keratinized squamous cells that are fused together |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| special cells that surround and protect root |
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Term
| matrix cells for hair and nails |
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Definition
| divide by mitosis for growth |
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Term
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Definition
| smooth muscle, involuntary, causes goosebumps |
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Definition
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Definition
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Term
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Definition
| white half moon structure at the proximal end of a nail |
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Term
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Definition
| pain receptors, naked dendrite of a neuron, found in epidermis and dermis |
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Term
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Definition
| temperature receptors, naked dendrite of a neuron, found in epidermis and dermis |
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Term
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Definition
| touch receptors and pressure receptors |
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Term
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Definition
| no bleeding occurs, cells of basale enlarge and divide, new cells migrate towards the center of the wound, basale cells continue to divide to reform all stratum layers |
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Term
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Definition
| bleeding, wbcs and platelets towards the wound to form a clot. form a scabe and tissues begin to heal and repair |
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Term
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Definition
| melanocytes are present but do not produce functional melanin |
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Term
| bedsores(decubitus ulcer) |
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Definition
| common in people who are bed ridden for a long time, decrease blood flow to skin, lead to ulceration |
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Term
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Definition
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Term
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Definition
| various viruses that will cause mild skin eruptions |
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Term
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Definition
| proteins in skin denature, skin open to fluid loss and infections |
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Term
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Definition
| damage to epidermis, mild |
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Term
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Definition
| destruction of epidermis and damage to dermis. moderate pain, blistering, loose some skin function |
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Term
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Definition
| destruction of epidermis and dermis, damage to hypodermis, severe pain, fluid loss, lose all skin function |
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