Chapter 5 - The Integumentary System

Medical Terminology

Aden/o

gland

aut/o

self

cutane/o

skin

cyan/o

blue

derm/o, dermat/o

skin

follicul/o

little follicle

kerta/o

hard

onych/o

nail

seb/o

sebum, oil

The _____________ system forms the entire surface area of the body. It is dominated by the largest organ of the body, the _____.

Integumentary; skin

What are the two distinct layers of the skin?

dermis, epidermis

This term means “skin”

dermis

This term means “on top of skin”

epidermis

The integumentary system also contains smaller accessory organs such as…

hair, hair follicles, nails, sebaceous glands, sweat glands, and sensory receptors.

Immediately below the skin is an area of connective tissue that binds the skin to the muscles and is rich in blood vessels and nerves, this layer is called the _________ or _________ layer.

hypodermis; subcutaneous

What is the primary function of the integumentary system?

Protection

What is an abrasion?

a common injury to the skin caused by scraping, it produces a superficial wound.

Where does the word “abrasion” come from?

From the Latin word abrasus meaning “to scrape off”

What is an abscess?

A localized elevation of the skin containing a cavity, which is a sign of a local infection.

What is cellulite?

A local uneven surface of the skin and is a sign of subcutaneous fat deposition.

What is the clinical term for a scar?

cicatrix

What is the clinical term for a pimple?

Comedo

What is the clinical term for a bruise?

Contusion

What is cyanosis?

A blue tinge of color to an area of the skin.

What is cyanosis a sign of?

A blue tinge of color to an area of the skin and is a sign of cardiovascular or respiratory disturbance. It is most clearly apparent in the lips and fingertips.

What is a cyst?

A closed sac or pouch on the surface of the skin that is filled with liquid or semisolid material.