HAIR STRUCTURE
This layer of the hair is primarily responsible for strength, elasticity, & natural color
What Is The Cortex
This phase is considered the active growing stage of the hair cycle.
What is the anagen phase?
This technical term refers to split ends.
What is trichoptilosis?
this term refers to the number of individual hairs per square inch on the scalp
what is hair density?
this is the scientific study of hair, its disorders, and care.
what is trichology?
The innermost layer of the hair that is often absent in fine hair
What is the medulla
This brief phase marks the transition between the growth and resting stages of hair.
What is the catagen phase?
This autoimmune disorder commonly causes smooth, round patches of hair loss.
What is alopecia areata?
this type of hair is short, fine, soft, and generally unpigmented.
what is vellus hair?
this is the technical term for naturally gray hair.
This structure at the base of the follicle contains capillaries and nerves that nourish the hair root.
What is the Dermal Papilla
This term refers to the hair's ability to absorb moisture or chemicals.
What is hair porosity?
This type of alopecia commonly results from excessive tension caused by tight hairstyles.
What is traction alopecia?
this type of melanin is responsible for red and blond hair tones.
what is pheomelanin?
this condition is characterized by brittle hair that breaks easily.
what is fragilitas crinium?
These glands secrete the oily substance that lubricates the skin and hair.
What are sebaceous glands?
Hair that resists moisture and chemical penetration has this type of porosity.
What is low porosity?
This contagious fungal infection of the scalp is commonly known as ringworm
What is Tinea Capitis?
this circular growth pattern is most commonly found at the crown of the head.
what is the whorl?
a cowlick is a term that describes what?
what is a tuft of hair that stands upright because it grows in a different direction from surrounding hair
This small involuntary muscle attached to the hair follicle is responsible for goosebumps.
What is the arrector pili muscle?
This test measures the hair's ability to stretch and return to it's original length without breaking.
What is the elasticity test?
This inflammatory scalp disorder is characterized by scales and and excess oil production.
What is seborrheic dermatitis?
this condition involves abnormal growth of terminal hair in areas that normally contain vellus hair.
what is hypertrichosis?
this contagious infestation of the scalp and hair is caused by head lice.
what is pediculosis capitis?