INTRO TO DERM II Flashcards
1
Q
what is the hair cycle comprised of?
A
anagen
catagen
telogen
kenogen
2
Q
name this part of the hair cycle?
active growth; 3-5 years
A
anagen
3
Q
85-90% of all hairs in anagen; decreases with age, T/F?
A
T
4
Q
name this part of the hair cycle?
involution; 2 weeks
A
catagen
5
Q
name this part of the hair cycle?
resting; 3-5 months
A
telogen
6
Q
name this part of the hair cycle?
empty follicle
A
kenogen
7
Q
what is collagen comprised of?
A
triple helix with Gly-X-Y, x is usually proline and y is hydroxyproline or hydroxylysine
8
Q
type I collagen?
A
major component
9
Q
type II collagen?
A
cartilage
10
Q
type III collagen?
A
vessels, fetal skin
11
Q
type IV collagen?
A
BMZ
12
Q
type V collagen?
A
anchoring fibrils
13
Q
what is found in the dermis?
A
collagen elastic fibers ECM intercommunicating plexi muscle nerves mast cells subq fat underneath (panniculus)
