Hair Growth Cycle
This is the active growing stage of hair.
What is anagen?
The three main layers: medulla, cortex and this outer layer.
What is the cuticle?
Oil that keeps hair and skin from drying out.
What is sebum?
Gray hair is also called this
What is ringed hair?
Technical term for the study of hair.
What is trichology?
This stage lasts only a few weeks.
What is catagen?
Layer that gives hair strength, elasticity & pigment.
What is the cortex?
Forms when sebum mixes with sweat.
What is the acid mantle?
Gray hair is caused by reduced pigment in this layer.
What is the cortex?
Cilia is the technical term for this hair.
What are eyelashes?
Hair is darker during this stage.
What is anagen?
Portion of hair above the skin.
What is the hair shaft/strand?
Supplies nourishment to the germinal matrix.
What is the papilla?
Concentrated pheomelanin near the cuticle makes hair appear this color.
What is red?
The two main parts of hair: hair root and this.
What is the hair shaft/strand?
This is the resting stage of hair growth.
What is telogen?
The structure that determines the diameter of the hair strand.
What is the hair follicle?
Hair grows back if this is not destroyed.
What is the papilla?
Hair color most likely to turn yellow from sun exposure.
What is white hair?
Type 4 hair is described as this.
What is tightly curled/coily?
Average monthly hair growth.
What is ½ inch (1.25 cm)?
Where mitosis occurs.
What is the germinal matrix?
Areas of the body that do NOT have hair
What are the palms, soles, lips, and eyelids?
Follicle shape for tightly coiled hair.
What is elliptical?
This does NOT affect hair growth.
What is frequent exercise?