Question | Answer | |
---|---|---|
21 |
During which phase does the follicle canal shrink and detach from the dermal papilla? |
Catagen |
22 |
The average growth of healthy scalp hair is __________ |
1/2 inch (1.25 centimeters) per month |
23 |
The technical term used to describe gray hair is _______________ |
canities |
24 |
A condition of abnormal growth of terminal hair in areas of the body that normally grow only vellus hair is _________ |
hypertrichosis |
25 |
The technical term for dandruff is ______________ |
pityriasis |
26 |
Which of the five main structures of the hair root contain the blood and nerve supply that provides the nutrients needed for hair growth? |
Dermal papilla |
27 |
Because there are so many of them, salt bonds account for about ________ of the hair's overall strength |
one third |
28 |
The anagen phase generally lasts from three to five ________________ |
years |
29 |
Scalp hair grows ___________________ on women than on men |
faster |
30 |
The ____________________ phase signals the end of the growth phase |
catagen |