Parts of the Hair
The two main parts of a hair strand of human hair.
What is the root and the shaft of the hair?
These chemical elements make up human hair.
Is determined by genetics.
What is hair growth?
Allows the hair to absorb moisture.
What is porosity?
Integumentary system is contains the ___, _____, ___, and ____.
What is the hair, skin, nails, and glands?
The hair's pith or core.
Can be broken by water or heat.
What are hydrogen bonds?
The three growth cycles of human hair.
What are the anagen, catagen, and telogen phases?
The diameter of a hair strand.
What is hair texture?
Causes dry hair and scalp.
What are inactive sebaceous glands?
Outermost layer of the hair
A long chain of amino acids linked by petide bonds.
What is a polypeptide chain?
The growth phase which new hair is produced.
What is the anagen phase?
Has the largest diameter and requires more processing.
What is coarse hair?
Grows upward or a different angle and is at the crown or sometimes somewhere else.
What is a cowlick?
What is the hair bulb?
Strong chemical bond.
What are disulfide bonds?
What is the catagen phase?
What is density?
Lacks pigment in the hair and is often times a myth.
What is gray hair?
Supplies the nutrients for the hair to grow.
What is the dermal papilla?
What are oxygen, hydrogen, and salt bonds?
Short, fine unpigmented body hair.
What is the vellus hair?
What is low elasticity in hair?
Yellow to red pigment in natural hair.
What is pheomelanin?