Structures of the skin

Question 1

*Thick layer of living tissue directly below the epidermis
* Contains connective tissue, blood, and lymph vessels and nerve fibers
* Also includes hair follicles, sebaceous gland and sweat glands

Answer 1

Dermis

Question 2

*Connects the skin to the surface muscles
*Made up of loose connective tissue and adipose tissue (adipose means fat)

Answer 2

Subcutaneous Layer

Question 3

AKA fat cells are in the subcutaneous layer where they manufacture and store large quantities of fat

Answer 3

Lipocytes

Question 4

• located in the dermis layer and are closely associated with hair follicles
• Secrete sebum that is released through ducts opening into hair follicles
• Sebum is highly acidic, so it discourages the growth of bacteria on the skin

Answer 4

The Sebaceous Glands

Question 5

• Rod-like structures composed to tightly fused, dead protein cells filled with hard keratin
• The color of the hair is determined by the amount and type of melanin produced around the core of the hair shaft

Answer 5

The Hair

Question 6

*The Sacs that hold the root of the hair fibers
* the shape of the follicle determines whether the hair is straight or curly

Answer 6

hair Follicles

Question 7

Keratin plate that protects the dorsal surface of the last bone of each finger and toe

Answer 7

the nails

Question 8

Narrow band of epidermis attached to the surface of the nail just in front of the root, protecting the new keratin cells as they form

Answer 8

Cuticle