Layers of the skin

Front

What is the hypodermis?

Back

The hypodermis, also known as subcutaneous tissue, is the deepest layer of the skin that contains extensive connective tissue and fat, providing insulation and cushioning.

Front

What are the three main layers of the skin?

Back

The three main layers of the skin are the epidermis (outer layer), dermis (middle layer), and hypodermis (inner layer).

Front

What is the stratum lucidum?

Back

The stratum lucidum is a thin, clear layer of dead skin cells found only in thick skin areas, such as the palms of the hands and soles of the feet.

Front

Which skin layer is responsible for cell division (mitosis)?

Back

The stratum basale (also known as the germinativum) is the deepest layer of the epidermis where mitosis occurs, producing new skin cells.

Front

What is the function of the epidermis?

Back

The epidermis serves as a protective barrier against environmental hazards, pathogens, and water loss.

Front

List the layers of the epidermis from deep to superficial.

Back

The layers of the epidermis from deep to superficial are: stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum.

Front

What is the role of the dermis?

Back

The dermis provides structural support to the skin, containing blood vessels, nerves, hair follicles, and connective tissue.

Front

What is keratin?

Back

Keratin is a fibrous protein found in the skin, hair, and nails that provides strength and waterproofing.

Front

What is the significance of the stratum corneum?

Back

The stratum corneum is the outermost layer of the epidermis, consisting of dead skin cells that protect underlying layers and prevent water loss.

Front

What type of tissue is found in the hypodermis?

Back

The hypodermis contains loose connective tissue and adipose (fat) tissue.