Intergumentary system

Functions of the skin

Protection, body temperature maintenance, excretion, perception of stimuli

Three layers of skin

epidermis, dermis, subcutaneous

Epidermis

Outer layer of skin

epithelial tissue

Tissue that covers outside of the body and lines organs and cavities.

stratified squamous epithelium

scaly cells of the stratified squamous epithelium

basal layer

deepest layer of epidermis

Dermis

Inner layer of skin; lies directly below the epidermis

hair follicle

tiny secretory cavities from hair grow

Collagen

Fibrous protein that gives the skin form and strength

subcutaneous layer

innermost layer of the skin, containing fat tissue

glands

a cell,or group of cells that secretes select substance within or out of the body

two types of glands (integumentary system)

sebaceous and sweat

sebaceous glands

located in the dermal layer of the skin over the entire body, expect for palm of hands and soles of feet. Secrete oily substance called SEBUM

sweat glands

tiny, coiled glands located in the dermis, they are found on almost all exterior body surface.