Principles of the Hair & Scalp

What is the scientific study of hair and its diseases called?

(a)  

The hair, skin, nails, and glands are all a part of the ___ system?

• endocrine

• skeletal

• integumentary

• reproductive

What are the two parts of the human hair strand called?

• hair root & cuticle

• Cortex & medula

• hair root & hair shaft

• root and ends

Where is the hair root located?

• base of scalp

• below the surface of epidermis

• above the epidermis

• nape area

Where is the hair shaft located?

• mid-shaft

• above the epidermis

• crown area

• apex area

What is another name for sebaceous gland?

(a)  

How many main structures of the hair root are there?

(a)  

Name the 5 main structures of the hair root?

(a)  

What is the lowest part of the hair strand?

• hair bulb

• dermal papilla

• ends

• hair follicle

What are the 3 main layers of the hair shaft?

• top, middle, ends

• cuticle, bulb, gland

• medulla, cuticle, cortex

• root, mid-shaft, ends