Skin structure
Skin Functions
Color Clues
Skin Lesions
Conditions
100

This innermost layer of the skin is also called the hypodermis.

What is the subcutaneous fascia (or hypodermis)?

100

The process by which blood vessels get smaller, which helps retain heat in the body.

What is constrict?

100

This brownish-black pigment is produced in the epidermis and determines basic skin color.

What is melanin?

100

Flat spots on the skin, such as freckles.

What are macules?

100

Baldness or a loss of hair on the scalp.

What is alopecia?

200

These oil glands usually open onto hair follicles and produce sebum.

What are sebaceous glands?

200

The skin function that involves temporary storage of fat, glucose, and water in tissues.

The skin function that involves temporary storage of fat, glucose, and water in tissues.

200

A yellowish discoloration of the skin caused by bile in the blood due to liver or gallbladder disease.

What is jaundice?

200

Blisters or fluid-filled sacs, such as those seen in chickenpox.

What are vesicles?

200

A closed sac with a distinct membrane, usually filled with a semisolid material.

What is a cyst?

300

This outermost layer of the skin has no blood vessels or nerve cells.

What is the epidermis?

300

The process by which the skin produces Vitamin D using ultraviolet rays from the sun.

What is production?

300

A reddish color of the skin caused by burns or a congestion of blood in the vessels.

What is erythema?

300

Itchy, elevated areas with an irregular shape, such as hives.

What are wheals?

300

A deep loss of skin surface that may extend into the dermis and cause bleeding and scarring.

What is an ulcer?

400

This layer, also called corium, contains blood vessels, nerves, and sweat and oil glands.

What is the dermis?

400

When blood vessels get larger to allow heat to escape from the blood.

What is dilate?

400

A bluish discoloration of the skin caused by insufficient oxygen.

What is cyanosis?

400

Firm, raised areas such as pimples, or eruptions seen in chickenpox and syphilis.

What are papules?

400

Pus-filled sacs such as those seen in acne or pimples.

What are pustules?

500

These coiled tubes produce sweat, which cools the body through evaporation of perspiration.

What are sudoriferous glands?

500

The skin provides this, serving as a barrier against pathogens and UV rays.

What is protection?

500

The term for a person with an absence of color pigments in the skin.

What is albino (or albinism)?

500

Areas of dried pus and blood, commonly known as scabs.

What are crusts?

500

An inflammation of the sebaceous glands, often occurring at adolescence and caused by increased secretion of sebum.

What is Acne Vulgaris?