Hair Shaft
Cuticle
Hair is approximately_______percent protein.
90%
_________– provides dark brown/black color
Eumelanin
The growing phase of the growth cycle is?
Anagen
Abnormal hair loss is called___________.
alopecia
The middle layer of the hair. Where everything happens!
CORTEX
The protein is made up of long chains of amino
acids, which are_____________
elements
__________– provides yellow to red/ginger color
Pheomelanin
The transition phase of the growth phase is?
Catagen
What is the technical term for gray hair?
canities
The innermost layer of the hair shaft
Medulla
The major elements that make up human hair are carbon, oxygen, hydrogen, nitrogen, and sulfur, referred to as the ______elements.
COHNS
__________– portion of the hair that projects above the epidermis
Hair shaft
The resting phase of the growth cycle is?
Telogen
A highly contagious skin disease caused by a parasite called a mite that burrows under the skin
scabies
Does everyone have ALL three parts of the hair shaft?
NO-some people do not have a medulla
These ______ elements are also found in skin and nails.
5
_________ – the part of the hair located below the surface of the epidermis
Hair root
___________short, fine, downy, unpigmented hair on body
Vellus hair
Pediculosis capitis is a contagious condition caused by_____________
LICE
Is having a medulla important when it comes to haircolor?
No-not at all
Newly formed cells mature, they fill up with a fibrous protein called _________.
keratin
_________– the scientific study of hair, its diseases, and its care
Trichology
__________long, thick, pigmented hair found on scalp, legs, arms, and body
Terminal hair
The technical term for ringworm
TINEA