Properties of the hair and scalp chapter 11

What term refers to the scientific study of hair and its diseases and care?

• Trichology
• Cosmetology
• Selenology
• Cartology

What structures contain the blood and nerve supply that provide the nutrients needed for hair growth?

• Sebaceous glands
• Dermal papillae
• Hair bulbs
• Furuncles

The thickened, club-like structure that forms the lower part of the hair root is the:

• cuticle layer 
• hair bulb
• dermal papilla
• arrector pili

The substance secreted by the sebaceous glands is called:

•  sebum
• sudoriferous
• sulfur
• lymph

What is the oily substance secreted by the skin’s oil glands that lubricates the hair and skin?

• Keratin
• Sebum
• Mucous
• Helix

The Number of individual hair strands on 1 square inch

• Hair Density
• Hair Porosity
• Hair Elasticity
• Hair Root

Ability of the hair to stretch and return to its original length without breaking

• Hair Density
• Hair Porosity
• Hair Elasticity
• Hair Root

Tube-like depression or pocket in the skin or scalp that contains the hair root

• Hair Root
• Hait Shaft
• Hair Follicle
• Hair Elasticity

ability of the hair to absorb moisture

• Hair Root
• Hair Shaft
• Hair Follicle
• Hair Porosity

What produces oil and makes hair shiny?

• Sebaceous glands
• Hair root
•  Hair gel