Term
| functions of integumentary system |
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Definition
| physical protection, excretion, storage of lipid reserves, synthesis of vitamin D3, sensory info |
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Term
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Definition
| stratified squamous epithelium containing cells that eventually undergo keratinization |
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Term
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Definition
| layer of CT under epidermis |
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Term
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Definition
| 5; found on palms and soles of feet |
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Term
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Definition
| 4; stratum lucidum is missing and is found everywhere else |
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Definition
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Term
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Definition
| clear layer, hard to see cells, only in thick skin |
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Term
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Definition
| keratohyaline granules appear |
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Term
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Definition
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Term
| stratum germinatuvum or basale |
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Definition
| 1 cell thick; mitosis of basal cells; produces new keratinocytes |
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Term
| four types of cells in epidermis |
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Definition
| keratinocytes, melanocytes, merkel cells, langerhans cells |
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Term
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Definition
| found in all layers, most abundant in epidermis, eliminate all organelles and becomes keratinized |
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Term
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Definition
| found only in stratum basale, pigment producing, protection from UV |
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Term
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Definition
| found only in stratum basale, contains nerosecretory granules |
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Term
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Definition
| found mainly in stratum spinosum, phagocytic, antigen presenting cells, immune response |
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Term
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Definition
| papillary layer (blood vessels, lymphatics, sensory neurons)and reticular layer |
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Term
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Definition
| ticker bundles of collagen, resists tension (deeper in dermis) |
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Term
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Definition
| superficial layer of dermis |
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Term
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Definition
| lines of cleavage follow lines of tension |
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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
| vibration or deep pressure |
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Term
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Definition
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Term
| accessory or ___ structures |
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Definition
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Term
| two types of sweat glands |
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Definition
| merocrine (eccrine) and apocrine |
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Term
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Definition
| keratinized filaments that develop from an invagination of the epidermis |
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Term
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Definition
| medulla (center), cortex (surrounds medulla), cuticle (extermal to cortext) |
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Term
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Definition
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Term
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Definition
| lanugo, vellus, intermediate, terminal |
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Term
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Definition
| growth phase; 85% of hair is in this; 2-5 years |
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Term
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Definition
| down regulation phase; one-two weeks |
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Term
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Definition
| resting phase; five to six weeks; 10-15% of all hair |
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Term
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Definition
| upper third of hair follicle |
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Term
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Definition
| oily substance discharged into hairs |
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Term
| sebaceous follicles occur |
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Definition
| on the face.... not associated with hair follicles |
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Term
| appocrine sweat glands found where? |
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Definition
| axilla and groin, produce secretion that produces odor |
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Term
| merocrine (eccrine)sweat glands |
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Definition
| found almost everywhere; produces sweat |
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Term
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Definition
| under free edge of nail body |
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Term
| cuticle and hyponychium derived from |
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Definition
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