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22 Cards in this Set
- Front
- Back
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If cortex lacks pigment what gives white or silver color to hair? |
air vacuoles in medulla |
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What type of epithelium forms the epidermis? |
stratified squamous |
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Name the 4 diff layers of the dermis |
stratum: basale, spinosum, granulosum, corneum |
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Which layer of the dermis contains rapidly multiplying cells? |
stratum basale |
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Which layer of the dermis contains dead or keratinized cells? |
stratum coreum |
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Which chemical substance is found in the top layer of the epidermis |
keratin |
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Which pigment gives color to skin? |
melanin |
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Name the important components of the skin found in the dermis |
hair follicles, sweat glands, sebaceous glands, arrector pili muscles |
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What is hypodermis or subcutaneous tissue or superficial fascia? |
loose connective tissue which connects the skin to underlying muscles |
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What are the 2 layers that make up the skin? |
epidermis and dermis |
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Which layer of hair contains the pigmented granules which give color to the hair? |
cortex |
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What type of infection is ringworm |
fungal infection of hair and nails |
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What is the main function of arrector pili muscles? |
contraction of these muscles make the hair stand straight, puts pressure on sebaceous glands to release sebum |
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What is the main diff between sebaceous and sweat glands in their mode of secretion? |
Sebaceous- holocrine glands Sweat - may be apocrine or merocrine |
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Enlist main functions of the skin |
Protection Sense perception Heat regulation Water conservation Synthesis of viatamin D |
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Which vitamin is also known as the sunshine vitamin |
Vitamin D |
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How does demodex look under the microscope? |
cigar shaped |
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What is the best tool to diagnose ringworm |
DTM dermatophyte test media |
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What is flea dirt? |
fecal material |
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What is pyoderma or hotspot |
bacterial infection of skin |
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Name the 3 diff layers of hair. |
medulla, cortex, cuticle |
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