Hair Bulb Info
The study of hair
What is Trichology?
Central core of the hair shaft
What is the medulla?
Heredity, Environment, products or appliances
What 3 factors affecting the behavior of hair?
Hair root and fiber
What are the two primary parts of the hair?
Causes hair to stand on end
What is the arrector Pili ?
More resistant
What is higher cuticle/ cortex ratio?
Sheeth the hair grows out of
What is the follicle?
Grows around the papilla
What is the germinal matrix?
Has color red and yellow
What is pheomelanin?
Portion of the hair that extends above the skins surface
What is a hair fiber?
Produces sebum to lubricate
the the hair and skin
What is sepacious oil gland?
Has black and brown
What is Eumelanin?
forms in the Basal layer
What is the primitive hair germ?
transitional period where cell division stops
What is the Catagen Phase?
Melanocytes
What produces melanin?