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Human anatomy two
Question | Answer |
---|---|
Five major functions of the integument | Mechanical damage, chemical damage, bacterial damage, ultraviolet radiation, thermal damage, and desiccation |
Describe cell type and tissue type that create the epidermis | Stratified squamous |
How was the epidermis different from the dermis and hypodermis | Harden by keratin, avascular and cells are keratinocytes |
Which layers create the integument | Epidermis, dermis, hypodermis |
Why is the subcutaneous layer discussed even though it is not a component of the system | It anchors the skin to underlying organs, adipose tissue also a shock absorber |
What are the five different layers of epidermis and order from deep to surface | Stratum basale, stratum spinosum, Stratum granuiosum, stratum lucidum, stratum corneum |
What is the difference between thick and thin skin | Thick: 5 layers found palms of hands and soles of feet Thin: 4 layers everywhere else on body |
Explain how the melanin is placed in the keratinocytes | Melanosomes transferred to the keratinocytes |
What are two characteristics and locations of the two layers within the dermis | Pipillary: (upper) pain and touch receptors Reticular: (deepest) sweat and oil gland |
What are the three pigments that contribute to the creation of skin color | Melanin, carotene, and hemoglobin |
What are the factors that can alter your skin color | Cyanosis(blue, â¤ï¸ failure), erythema (redness, embarrassment), pallor(blanching, emotional stress), jaundice(yellow, liver failure), bruises |