Subcutaneous
Dermis
Stratum Germinativum and Spinosum
Stratum Granulosum and Lucidum
Stratum Corneum
100

This tissue comprises about 80 percent of the subcutaneous layer.

What is adipose (fat) tissue?

100

These are the names of the two layers of the dermis.

What are reticular and papillary?

100

The Stratum Germinativum is also referred to by this term.

What is the basal cell layer?

100

The cells in the stratum granulosum resemble this.

What are granules?

100

The average adult has a cell turnover rate of every 28 days. A baby's skin takes this many days to turn over.

What is 14 days?

200

The subcutaneous layer sits just below this layer of the dermis.

What is the reticular layer?

200

This is the denser, deeper layer of the dermis that is mainly comprised of collagen and elastin.

What is the reticular layer?

200

This process of cell division in which mother cells divide to create two daughter cells takes place in the Stratum Germinativum. 

What is mitosis?

200

The cells in the stratum granulosum become filled with ________ protein. 

What is keratin?
200

The keratinocytes that migrate to the surface of the stratum corneum become hardened and flat and are now called this. 

What are corneocytes?

300

Other names for the subcutaneous layer include these terms.

What is the hypodermis and superficial fascia?

300

_________ are membranes of ridges and grooves found in the papillary layer that attach to the epidermis.

What are dermal papillae?

300

Five to ten percent of cells in the Stratum Germinativum are ___________ which produce pigment granules. 

What are melanocytes?

300

These substances are manufactured in the stratum granulosum to help lubricate the cells and to prevent water loss. 

What are intercellular lipids? 

(Examples: triglycerides, ceramides, waxes, and fatty acids.)

300

The cells of the stratum corneum are surrounded by bilayers of __________ and ___________. 

What are oil and water?

400
A thick subcutaneous layer, acneic breakouts, hair growth, or excessive oiliness or dryness might be influenced by these chemicals produced by the endocrine system. 

What are hormones?

400

This layer makes up only 10 to 20 percent of the dermis.

What is the papillary layer?

400
These protein bonds strengthen the connection between cells in the Stratum Spinosum and allow them to communicate. 

What are desmosomes? 

400
Clear keratinocytes are found in this layer of the epidermis.

What is the stratum lucidum?

400

The stratum corneum has ____________ layers of cells. 

What is 15 to 20?

500

The subcutaneous layer does this as the body ages.

What is decreases and thins?

500

This is the connection point between the dermis and the epidermis. 

This term is often used in states' Rules and Regulations to define an esthetician's Scope of Practice.

What is the Dermal/Epidermal Junction (DEJ)?

500

These cells found the stratum spinosum contain lipids to maintain the barrier function. 

What are lamellar granules?

500

The stratum lucidum is thickest on these areas of the body.

What are the palms of the hands and soles of the feet?

500

The processes of desquamation and cell replacement do this as a person ages.

What is "slow down"?

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