Hair and scalp structure

The outside layer of the hair shaft is called this

• cortex

• cuticle

• medulla

• epidermis

The main function of the outside layer is what

• Protection

• Absorb moisture

• Absorb colour

• Secrete oils

The cortex determines strength and elasticity

• true

• false

Describe the cuticle ....

• Protection

• Over lapping scales

• Laying from roots to tips

• Translucent

The outside layer of the skin structure is the epidermis

• true

• false

The muscle attached to the hair shaft is called what?

• Sebaceous muscle

• Arrector pilli

• Dermis muscle

• epidermis muscle

The hair growth cycle is

• Epidermis, dermis

• Anagen, telogen, catogen

• Anagen, catogen, telogen

The growing stage is in which part of cycle

• anagen

• telogen

• dermis

• catogen

On average how much does hair grow per month

• 0.75cm

• 4.00cm

• 1cm

• 1.25cm

Describe Caucasian hair

• thick and coarse

• very fine, brittle with few cuticle layers

• straight to wavy with 4-7 cuticle layer

• dark to light but straight