Hair Flashcards
Pulls hair upright when cold or frightened
Arrector pili muscle
What type of cells are in hair
Hard keratinized epithelial cells
Provide pigment for hair color
Melanocytes
Extends from the scalp or skin
Shaft
Supplies blood to dermal sheath
Dermal sheath
Where does hair grow from
Matrix of the hair bulb in stratum basale
Provides durability and keep hairs apart
Cuticle
What is the epidermal sheath made of
Epithelial tissue
From inside out the regions of the hair shaft
Medulla
Cortex
Cuticle
Humans are born with how many hair follicles
As many as they will ever have
Is among the fastest growing tissues in the body
Hair
Most heavily keratinized part of the hair follicle
Cuticle
Single layer of cells that overlap like root shingles
Cuticle
What surrounds the hair root
Dermal and epidermal sheath
Forms the hair
Epidermal sheath