Integumentary System #1

Covering Regulate Body Temperature Helps manufacture vitamin D Nerve receptors Screenout ultraviolet radiation Temporary Storage Special absorptive properties

Determines the various shades of skin color

Part of the body with the thickest skin

They are epidermal ridges

Protects against UV radiation

Causes DNA mutations and burns that lead to cancer and wrinkles

Protein that renders the skin dry and provides waterproof covering ; fibrous protein that makes up hair and nails

Comprises most of the epidermis and produces keratin

Sensory receptors for touch

Makes melanin, which helps protect the skin again UV r rays from the sun

Macrophages that are effective in the defense of the skin against microorganisms

Outermost layer of the skin No blood vessels Avascular

Layer of the epidermis that is considered to be exposed to the surface of the skin

Organ that is most affected by jaundice

Lack of oxygen

Used in labs to produce skin grafts

Addison’s disease is a disease of this gland

Layer of the skin that contains fatty tissue

Layer of the skin that contains the blood vessels and nerves

Orange-yellow pigment

Loss of melanocytes

Part of the body where skin is the thinnest

The loss of water through the skin, which does not occur as perceivable sweat.