Intergumentary System (Skin)

Question 1

What are the two layers of the dermis ?

Answer 1

Papillary layer

Ricticular layer - biggest layer

Question 2

What are the three types of lines on the skin ?

Answer 2

Friction ridges

Cleavage lines

Flexure lines

Question 3

What are the two types of modified sweat glands

Answer 3

Cerminous . Eg ear wax

Mammory glands eg secrete milk.

Question 4

What are the three layers of skin

Answer 4

Epidermis - outer most layer
Stratified squamous epithium

Dermis - 80% of the skins thickness
Aereolar and dense irregular connective tissue

Hypodermis - not part of the skin
Subcutaneous tissue
Stores fat

Question 5

What are the four types of epidermal cells?

Answer 5

Keratinocytes
Melanocytes
Dendritic Cells
Tactile (Merkel) Cells

Question 6

What are two layers of Dermis?

Answer 6

Papillary Layer:

• Areolar Connective Tissue
• Dermal Papillae indent epidermis
• Contain blood vessels, nerve receptor

Reticular Layer:
- Dense irregular connective tissue
- Thick bundles interlacing collagen
fibres

Question 7

What are the 3 types of lines on the skin?

Answer 7

Friction Ridges

Cleavage Lines

Flexure Lines

Question 8

What are the two types of modified sweat glands?

Answer 8

Cerminous Gland - ear wax

Mammary Gland - secrete milk

Question 9

What are the three layers of skin?

Answer 9

Epidermis:

• outer most layer
• Stratified Squamous Epithelium

Dermis:
- 80% of skins thickness
- Strong and flexible
- Aereolar and dense irregular  
  connective tissue

Hypodermis:

• Subcutaneous tissue
• Not part skin
• Stores fat