Physiology Flashcards
1
Q
Where does pigment in hair come from
A
melanocytes interspersed among the matrix cells
2
Q
Hair growth phases
A
Catagen (transitional phase)
Telogen (resting phase)
Anagen (growing)
3
Q
How much does scalp hair grow
A
6 inches a year
4
Q
Anagen phase
A
the length of the anagen phase corresponds to the length of the hair
5
Q
Catagen phase
A
cell death of the follicular keratinocytes
6
Q
Teloden phase
A
Resting phase when all activity stops and eventually the hair is shed