bonds
hair pigment
Hair growth
hair loss
Disorders of the scalp
100
hydrogen bonds
what is side bonds that is easily broken by water or heat
100
eumelanin
what is provides brown and black color to hair and has 108,000 number of hairs on the head
100
vellus or lanugo
what is hair that is the short,fine,soft,downy hair found on the cheeks,forhead,and nearly all parts of the body
100
Alopecia
what is technical term for abnormal hair loss,
100
types of Dandruff

what is Pityriiasis capitis simplex classic dandruff

   Pityriasis steatoides greasy waxy scales mixed with sebum

200
salt bonds
what is also physical , it reacts to change in PH , broken by strong acidic or alkaline solutions.
200
hair pigment
what is natural hair color iw the result of melanin pigment found within the cortex
200
primary terminal hair
what is course hair that has a medulla. grows in the eyebrows and eyelashes
200
Alopecia Areata

sudden falling out of hair in round patches that create 

bald spots.

200
types of fungal infection

what is Tina Capitis (known as ringworm) is caused by fungal organisms 

Tinea sycosis (tina barbae) is fungal infection occurring chiefly over bearded area of the face

Tina favosa (tina favus) or honeycomb ringworm

300
disulfide bonds

what is also know as sulfur bonds , they are stronger and create chemical side bonds between polyepeptide chains.

example: ammonium thioglycolate permanent waves break disulfide bonds

300
pheomelanin

what is natural hair color that ranger from red and ginger to yellow and light blond tones

140,000 hair on the head

300
secondary terminal hair
what is long hair found on the scalp,beard,chest,back,legs and pubic area thst replaces some vellus hair
300
Alopecia senillis
what is normal loss of scalp hair occurring in old age
300
types of Staphylococci infection

what is Follicultis barbea barbers itch inflamed pustules in bearded areas face neck 

Pseudofolliculitis barbea razor bumps

400
peptide bonds
what is the strongest chemical bond in the cortex also known as end bonds
400
melanin
what is all natural color is dependent on the ratio of eumelanin and  pheomelanin  and along with the total number and size of pigment
400
growth cycles of the hair

anagen-growth phase

catagen-transition phase 

telogen-resting phase

400
Alopecia prematura
what is frequently seen by the age of 40
400

Trichoptilosis

Fragilitas crinium

what is split ends

           brittle hair

500
side bonds

what is also formerly known as cross bonds , three types of side bonds

hydrogen, salt ,disulfide bonds

500
brown and red

what is number of hairs on head

brown 110,000

red 80,000

500
90 percent
what is in the anagen phase scalp hair is growing at any time
500
Androgenic alopecia
what is hair loss that occurs as a result of genetics ,age, and hormonal changes that cause the miniaturization of terminal hair
500
Structure of Hair
what is follicle,bulb,dermal papilla,sebaceous glands and arrctor pili muscle
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