Hair Structure and Function Test Notes

PortableHexagon avatar
PortableHexagon
·
·
Download

Start Quiz

Study Flashcards

23 Questions

What is the primary function of hair according to the text?

To regulate body temperature

Which part of the hair structure is biologically inactive?

Hair shaft

What is the function of a hair follicle?

To house the hair root

What is the difference between vellus hair and terminal hair?

Thickness and length

From where does hair actually grow?

Hair root

How many follicles do people have on their head on average?

100,000 to 150,000

What is the secondary purpose of hair according to the text?

For adornment

Which type of hair is typically finer and without a medulla?

Vellus hair

In which region of the body can vellus hair typically not be found?

Palms of hands

What is the main difference between vellus hair and terminal hair?

Presence of medulla

Which type of follicle generally creates wavy to straight hair and is typically seen in European hair types?

Oval

Where is the hair root protected within the skin?

Dermis

Which structure at the very bottom of the hair root is essential to the health and growth of the hair shaft?

Hair bulb

What is the function of the dermal papilla in relation to the hair follicle?

Encloses the base of the hair bulb

What is the role of the dermal papilla in hair growth?

Supplying oxygen-rich blood and keratin cells

During which phase of the hair growth cycle is the dermal papilla totally inactive?

Telogen phase

What do sebaceous glands provide to the hair follicle?

Natural oils

What substance do sebaceous glands secrete to add luster and pliability to the hair and scalp?

Sebum

What effect does overproduction of sebum by sebaceous glands have on the scalp?

Oily dandruff

What is the role of the arrector pili muscle?

Contracting to make the hair stand up straight

Which type of hair does not possess arrector pili muscles?

Eyelash hair

How does the arrector pili muscle give skin the appearance of 'goose bumps'?

By contracting and making the hair stand up straight

What is the primary function of sebum produced by sebaceous glands?

To provide natural oils for conditioning hair

Explore the structure and primary functions of hair, including insulation and protection, as well as its secondary function for adornment. Learn about the significance of hair as a symbol of pride, self-care, and esteem. Dive into topics like hair growth, hair typing, and hair care.

Make Your Own Quizzes and Flashcards

Convert your notes into interactive study material.

Get started for free

More Quizzes Like This

Use Quizgecko on...
Browser
Browser