Integumentary System A

Front

What is the epidermis?

Back

The outermost layer of skin, providing a barrier and protecting underlying tissues.

Front

What nourishes the epidermis?

Back

The epidermis is nourished by blood vessels located in the dermis.

Front

Where is fat stored in the body?

Back

Fat is primarily stored in the hypodermis, the layer beneath the dermis.

Front

What gives skin its pink tone in light-skinned individuals?

Back

The pink tone is due to hemoglobin, which is found in red blood cells.

Front

What are the main cells found in the epidermis?

Back

The most numerous cells in the epidermis are keratinocytes, not melanocytes.

Front

What is the function of melanin?

Back

Melanin is a pigment that gives skin its color and protects against UV radiation.

Front

What is the dermis?

Back

The layer of skin beneath the epidermis that contains blood vessels, nerves, and connective tissue.

Front

What condition is characterized by excessive epidermal shedding on the scalp?

Back

Dandruff is characterized by excessive shedding of dead skin cells from the scalp.

Front

What is the hypodermis?

Back

The hypodermis, or subcutaneous layer, is the layer of fat and connective tissue beneath the dermis.

Front

What role does hemoglobin play in skin color?

Back

Hemoglobin contributes to the pinkish hue of the skin, especially in areas with increased blood flow.