Cos chapter 11

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There are 53 questions in this lesson.
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