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Bio 120 A&P > chapter 5 > Flashcards

chapter 5 Flashcards

1
Q

Functions of skin

A
  • Protection as a physical barrier
  • Regulation of body temp
  • Cutaneous sensation
  • Excretion and absorption
  • Vit D synthesis
  • Blood reservoir
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2
Q

protection

A
  • Physical, chemical & biological barrier
  • tight junctions prevent bacterial invasion
  • lipids resist evaporation
  • melanin absorbs UV light
  • langerhans (immune) cells
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3
Q

Thermoregulation

A
  • Evaporation of sweat lowers body temp

- adjust blood flow to body surface

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4
Q

Cutaneous Sensations

A

-Touch, temp, pressure, vibration, tickling & some pain sensations arise from skin

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5
Q

Layer of the epidermis

A 
Stratum corneum 
Stratum lucidum
Stratum granulosum
Stratum spinosum
Stratum basale
Cows loves grass so bad
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6
Q

Stratum lucidum

A

3-5 layers of clear, flat, dead cells

Seen in thick skin only

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Bio 120 A&P (5 decks)

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