Skin color Flashcards
1
Q
What causes Pink skin?
A
blood flow in subcutaneous layers
2
Q
What is carotene, and how is it caused?
A
yellow pigment, acquired through diet
3
Q
Aside from diet, how else can skin take on a yellow hue?
A
thicker stratum corneum with increased amount of keratin (east Asian descent mostly)
4
Q
What causes skin to be brown?
A
melanin
5
Q
Where does melanin come from?
A
melanocytes
6
Q
where are melanocytes found?
A
stratum basale
7
Q
Level and distribution of brown pigment is dependent on what?
A
concentration and distribution of melanin
8
Q
T/F someone with darker skin usually has more melanocytes
A
False. Everyone has approximately the same number of melanocytes
9
Q
What are small, isolated patches of highly concentrated melanin secretion called?
A
freckles
