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Derm Intro 1
Derm
| Question | Answer |
|---|---|
| functions of the skin | protective, sensory, makes active V D, identiviation/social communiction |
| layers of the skin | epidermis, dermis, subcutaneous fat |
| layers of epidermis | stratum corneum, stratum granulosum, stratum spinosum, stratum basale |
| major cell population (80%), immune function | keratinocyte |
| derived from neural crest, same number in all races, also found in hair follicles, brain, and eyes | melanocytes |
| antigen presenting cell in the skin | langerhans cells |
| layers of dermis | papillary, reticular |
| most of the dermis is made up of the | reticular dermis |
| layer of the dermis that contains blood vessels, hair follicles, sebaceous glands, and muscles, sweat glands | reticular dermis |
| types of sweat glands | eccrine, apocrine |
| type of sweat gland involved in thermoregulation, found all over the whole body | eccrine |
| type of swear gland involved in scent, found in axilla, genitals, ears, eyelids, mammary | apocrine |
| cells of the dermis | fibroblasts, mast cells, macrophages |
| cell of the dermis that synthesizes collagen | fibroblasts |
| cell of the dermis that has many IgE receptors on their surface, cause hives | Mast cells |
| means net like | reticulated |
| lesion that looks like a coin | nummular |
| flat (non-palpable), alteration in color, size is 1cm or less, | macule |
| a large macules (>1cm) | patch |
| raised (palpable), size is 1cm or less, color can vary, | papule |
| a pearly papule with telangiectasia is probably | basal cell carcinoma |
| is a large papule >1cm | plaque |
| dark brown, waxy papule | seborrheic keratosis |
| raised and filled with clear fluid, size is 1cm or less | vesicle |
| a large vesicle >1cm | bulla |
| dew drops on a rose petal | vesicles on an erythematous base (chicken pox) |
| raised (palpable), circumscribed collection of inflammatory cells and free fluid, variable in size | pustule |
| raised solid, often round, deeper than papule, size is 1cm or less | nodule |
| a large nodule >1cm | tumor |
| skin lesion formerly known as hive | wheal |
| firm, edematous papule or plaque, fluid filled but fluid is bound, flat-topped elevations, transient in nature, type I hypersensitivity reaction | wheal |
| secondary skin lesions | scale, crust, erosion, ulcer, fissure, atrophy |
| secondary skin lesion formerly known as scab | crust |
| collection of serum, blood, or pus | crust |
| focal loss of epidermis, heals without scarring | erosion |
| focal loss of epidermis and dermis, heals with scarring | ulcer |
| linear crack (occurs following lichenification) | fissure |
| erosions from scratching | excoriation |
| enhancing of lines already in the skin | lichenification |
| Flat brown spots with sharp borders on dorsum of hand | Lentigines |
| Erythematous, dome-shaped nodule with central plug | Keratoacanthoma |
| Pearly papule with umbilicated center | Molluscum contagiosum |
| Sexually active person w/ rash on palms & soles, general LAD | Secondary syphilis (Money spots); VDRL will confirm |
| layers of the skin | epidermis, dermis, subcutaneous fat |
| layers of epidermis | stratum corneum, stratum granulosum, stratum spinosum, stratum basale |
| derived from neural crest, same number in all races, also found in hair follicles, brain, and eyes | melanocytes |
| antigen presenting cell in the skin | langerhans cells |
| layers of dermis | papillary, (mostly) reticular |
| layer of the dermis that contains blood vessels, hair follicles, sebaceous glands, and muscles, sweat glands | reticular dermis |
| types of sweat glands | Eccrine (thermoregulation), apocrine (scent: in axilla, genitals, ears, eyelids, mammary) |
| cells of the dermis | Fibroblasts (synthesize collagen), mast cells, macrophages |
| Dermis cell: has many IgE receptors on its surface, cause hives | Mast cells |
| flat (non-palpable), alteration in color, size is 1cm or less: | macule |
| a large macules (>1cm) | patch |
| raised (palpable), size is 1cm or less, color can vary: | papule |
| large papule >1cm = | plaque |
Created by:
Abarnard
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