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Flashcards in Hair Deck (22):
1

Pulls hair upright when cold or frightened

Arrector pili muscle

2

What type of cells are in hair

Hard keratinized epithelial cells

3

Provide pigment for hair color

Melanocytes

4

Extends from the scalp or skin

Shaft

5

Supplies blood to dermal sheath

Dermal sheath

6

Where does hair grow from

Matrix of the hair bulb in stratum basale

7

Provides durability and keep hairs apart

Cuticle

8

What is the epidermal sheath made of

Epithelial tissue

9

From inside out the regions of the hair shaft

Medulla
Cortex
Cuticle

10

Humans are born with how many hair follicles

As many as they will ever have

11

Is among the fastest growing tissues in the body

Hair

12

Most heavily keratinized part of the hair follicle

Cuticle

12

Single layer of cells that overlap like root shingles

Cuticle

13

What surrounds the hair root

Dermal and epidermal sheath

14

Forms the hair

Epidermal sheath

16

What is the dermal sheath made of

Connective tissue

17

Area enclosed by the follicle

Root

17

Connects to each side of the follicle

Arrector pili muscle

19

What causes split ends

Cuticle wears away at the tip which allows keratin fibers to frizz out

20

What is goosebumps

When the arrector pili muscles pulls hairs upright

21

Dead cells of the hair

Shaft

22

What produces hair

Hair follicle