Integumentary System

Front

What are the long-term side effects of sun damage?

Back

Long-term side effects of sun damage include wrinkled skin, increased freckles and/or 'age spots', and broken blood vessels that stay near the surface of the skin. Going bald/losing hair is NOT a long-term side effect.

Front

What cell produces a protein that allows for waterproofing of the skin, nails, and hair?

Back

Keratinocytes produce keratin, a protein that waterproofs the skin, nails, and hair.

Front

What are the primary functions of the skin?

Back

The primary functions of the skin are to protect the body, regulate temperature, and synthesize Vitamin D.

Front

What is the outermost layer of the epidermis that constantly sheds?

Back

The outermost layer of the epidermis is the stratum corneum.

Front

What does the hypodermis consist of?

Back

The hypodermis consists of loose connective tissue and adipose tissue.

Front

What is the role of melanocytes in the skin?

Back

Melanocytes produce melanin, the pigment responsible for skin color and protection against UV radiation.

Front

What is the function of Langerhans cells?

Back

Langerhans cells are part of the immune system and help protect the skin from pathogens.

Front

What is the significance of the stratum germinativum?

Back

The stratum germinativum is the layer of the epidermis where new skin cells are generated.

Front

How does the skin regulate body temperature?

Back

The skin regulates body temperature through sweat production and blood vessel dilation or constriction.

Front

What is the function of sebaceous glands?

Back

Sebaceous glands secrete sebum, which lubricates and waterproofs the skin and hair.