derm

Skin

Melanocytes

(Location- how they affect the skin)

Located in the epidermis

Produce melanin or skin pigment, contribute to color to the skin and serve to decrease the amount of UV light that can penetrate into the depper layers of skin.

Keratin

Fibrous protien.

Provides protection by waterproofing the skin's surface.

Dermis is also known as:

True Skin

What is a hair follical?

Pouchlike strucures in the skin from which hair grow.

What is an arrector pilli muscle?

Little muscle in the dermis that pulls hair upright. (Goose bumps)

What is the name of the tissue that lyes under the dermis?

Subcutaneous Layer,

superficial facia, hypodermis

Define Nails:

Heavily keratinized, nonliving tissue that forms the thin hard plates found on the distal surfaces of the fingers and toes.

What is a sebaceous gland?

Also known as oil glands, secrete sebum.

Where in the skin layer would you find blood and lymph vessels?

Dermis

What is the function of the sudoriferous glands?

secrete sweat, or persperation.

(Sweat Glands)