Skin Layers

Question 1

Is the Epidermis vascular or avascular?

Answer 1

Avascular

Question 2

What are the five layers of the Epidermis?

Answer 2

1. Stratum Basale (deepest)
2. Stratum Spinosum
3. Stratum Granulosum
4. Stratum Lucidum
5. Stratum Corneum (top)

Question 3

The cells in the stratum basale are alive and receive blood and nutrients from the dermis. What are the three types of cells in this layer?

Answer 3

1. Germinal cells
2. Melanocytes
3. Merkel disc

Question 4

What cells are found in the Stratum Spinosum?

Answer 4

Desmosomes and Langerhans

Question 5

What Epidermal layer (stratum) do you fine Glycolipids, Keratohyaline, and cell organelles are lost?

Answer 5

Stratum Granulosum

Question 6

What Epidermal layer is translucent?

Answer 6

Stratum Lucidum (not in thin skin)

Question 7

Which Epidermal layer is the thickest and contains dead skin that sheds?

Answer 7

Stratum Corneum

Question 8

The Dermis is the skins thickest layer that provides strength. What are the two layers of the dermis?

Answer 8

1. Papillary
   2.Reticular

Question 9

Which dermal layer interdigitates with the Epidermis providing a secure connection?

Answer 9

Papillary Layer

Question 10

What two structures will you find in the Papillary layer of the Dermis?

Answer 10

Meissner’s Corpuscles and Vessel Loops

Question 11

What substance is found in both dermal layers?

Answer 11

Collagen

Question 12

What is the deeper of the two layers of the dermis?

Answer 12

Reticular

Question 13

What cells are found in the Reticular layer of the Dermis?

Answer 13

Fibroblasts and Macrophages

Question 14

What cells in the reticular layer of the Dermis create and secrete Collagen?

Answer 14

Fibroblasts

Question 15

Besides Fibroblasts and Macrophages what are five other structures that are found in the Reticular Layer of the Dermis?

Answer 15

1. Collagen Fibers
2. Vessels
3. Glands
4. Hair Follicles
5. Smooth Muscle