Unit 3: Part 2 Flashcards
1
Q
Genetics:
A
Many genes control skin color.
2
Q
Example of genetics:
A
Freckles, Albinism, Blue People
3
Q
Environment:
A
Melanin allows for UV protection + Vitamin D production.
4
Q
Example of Environment:
A
Tanning, Rosacea.
5
Q
Physiology:
A
Vasoconstriction: Changes in blood flow( turn red)
6
Q
Example of Physiology:
A
Jaundice, cyanosis
7
Q
Keratinocytes:
A
-skin cells mature and differentiate to produce keratin
-90% of skin cells
8
Q
Langerhans Cells:
A
Immune function: alert other cells of infection.
9
Q
Merkel Cells:
A
-Touch receptors in Basale
-Connect to sensory neuron
10
Q
Melanocytes:
A
-Produce melanin (provide color)
-8% of cells
-Have long extensions
