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
2
Q
protection
A
- Physical, chemical & biological barrier
- tight junctions prevent bacterial invasion
- lipids resist evaporation
- melanin absorbs UV light
- langerhans (immune) cells
3
Q
Thermoregulation
A
- Evaporation of sweat lowers body temp
- adjust blood flow to body surface
4
Q
Cutaneous Sensations
A
-Touch, temp, pressure, vibration, tickling & some pain sensations arise from skin
5
Q
Layer of the epidermis
A
Stratum corneum Stratum lucidum Stratum granulosum Stratum spinosum Stratum basale Cows loves grass so bad
6
Q
Stratum lucidum
A
3-5 layers of clear, flat, dead cells
Seen in thick skin only
