What are the growth cycles of human hair?
What is anagen, catagen, and telogen?
The ability of the hair to absorb moisture is?
What is hair porosity?
What elements are in COHNS?
What is carbon, oxygen, hydrogen, nitrogen, and sulfer?
The pocket or tube-like depression in the scalp or skin that contains the hair is?
What is the hair follicle?
What is the system of skin, nails, and glands?
What is integumentary?
What conclusion can a cosmetologist make if a client expresses concern about not being able to grow the hair beyond shoulder length?
What is the anagen phase of the client's hair growth is shorter than most, so the client's hair will not grow any longer?
What is the outermost layer of hair?
What is the hair cuticle?
The major elements that make up human hair are referred to?
What is COHNS elements?
The thickened, club-like structure that forms the lower part of the hair is?
What is the hair bulb?
What is the growth phase during which new hair is produced?
What is anagen?
What is the phase of the hair growth cycle in which the hair can shed?
What is the telegon phase?
How much percent of protein is approximately in the hair?
What is 90 percent?
A long chain of amino acids linked by peptide bonds is what kind of chain?
What is a polypeptide chain?
A small, cone-shaped area located at the base of the hair follicle that fits into the hair bulb is?
What is the dermal papilla?
How is hair growth rate determined?
What is genetics?
What are the three main types of body hair?
What is terminal, lanugo, and vellus hair?
What type of hair has the largest diameter and usually requires more processing?
What is coarse hair?
The three different types of side bonds that link chains of amino acids together are?
What is hydrogen, salt, and disulfide?
What structures contain the blood and nerve supply that provide the nutrients needed for hair growth?
What is dermal papillae?
What term refers to the scientific study of hair and its diseases and care?
What is trichology?
In which phase of the hair growth cycle does the follicle canal shrink and detach from the dermal papilla?
What is catagen phase?
The measurement that describes the number of individual hair strands on 1 square inch of the scalp is?
What is hair density?
A physical side bond is easily broken by water and heat is what bond?
What is a hydrogen bond?
The small, involuntary muscle fiber in the base if the hair follicle is?
What is the arrector pili?
The body naturally produces how many of the 20 amino acids that make up air?
What is 11 amino acids?