The tubelike depression that contains the hair root.
What is the follicle?
The outer most layer of hair that has scale like characteristics
What is the cutile?
A weak side bond broken by heat or water.
What is a hydrogen bond?
Natural hair color is a result of this?
What is pigment or melanin pigment?
This element is the most abundant in haur.
What is carbon?
Considered to be the mother of the hair, this structure, is responsible for the hair's nourishment.
What is the dermal papilla?
90% of the weight of the hair comes from this structure
What is the cortex
This side bond is weak but needs a change in pH in order to be broken.
What is a salt bond?
This provides brown or black pigment.
What is eumelanin?
This element is the least abundant but the easiest to recognize.
This structure is responsible for goose bumps, by raising vellus hair on the skin.
What is the arrector pili muscle?
Every bearded man has this
What is a medulla
What are disulfide bonds?
This is responsible for yellow or blond tones.
What is pheomelanin?
Real hair burns fast most likely as a result of the high concentration of this.
What is hydrogen?
Hair is formed through this process, in which cells journey through the hair follicle and mature.
What is keratinization?
This type of hair may not contain a medulla
What is fine, thin and/or blonde?
Chemical depilatories such as nair, and cutting breaks these bonds.
What are peptide bonds?
This hair has only a few scattered melanin granules.
What is gray hair?
This acronym we use to remember the elements in hair.
What is COHNS?
Hair is composed of this protein.
What is keratin?
These are the structures of the hair shaft
What is the cuticle cortex and medulla?
A long chain of amino acids linked by peptide bonds is a
What is a polypeptide?
This hair contains no melanin.
What is white hair?
The acronym COHNS represents this
What is Carbon Oxygen Hydrogen Nitrogen and Sulfur?