Hair Theory Flashcards
Bundles called melanosomes are formed by:
Melanocytes
If the diameter of a female client’s ponytail has become smaller over time, it could indicate:
Androgenetic alopecia
Non-medical options for hair loss include:
wigs or toupées
Short, fine, non-pigmented hair found more abundantly on women is known as:
Vellus
Catagen, a brief transitional stage of hair growth, lasts for what amount of time?
Lasts only a few weeks
Eumelanin is the type of melanin that produces:
Brown.black hair
Gray hair is caused by:
reduced color pigment in the cortex layer of the hair
Hair color is darker during which stage of growth?
Anagen
Hair grows from a tube-like “pocket” called a root sheath or a(n):
Follicle
Hair that has been pulled out from the roots can grow back under which of the following circumstances?
the papilla has not been destroyed
Hair that is 90% cortex and 10% cuticle when compared to hair that is 40% cuticle would be considered to be more:
Elastic
How long does the telogen, or resting stage of hair growth, last?
3-4 months
Human hair, on the average, grows about:
1/2” (1.25 cm) per month
Keratinization is a process whereby cells do all of the following EXCEPT:
form keratin protein
Mitosis takes place in the area of the hair bulb called the:
Germinal matrix
People with lighter colored hair have melanin in the:
cortex