The skin

arrector pili muscle   

(a-rek'tor pill'ee)
muscle in the dermis which elevates the hairs of the skin, causing 'goose pimples' (plural: arrectores pilorum).

blood vessels   

channels for carrying blood.

cutaneous   

(kew-tay'nee-uss)
to do with the skin.

dermis   

(dur�mis)
the thick layer of living tissue in the skin that lies below the epidermis (also called the corium); adjective: dermal.

epidermis   

(ep-i-dur�mis)
superficial (outer) layer of the skin.

hair   

formed by multiplication of cells at the base of the follicle, each one having a root and a shaft; composed of keratin.

hair follicles   

(fol�lik-uls)
tube-like structures in the dermal layer of skin, which produce hairs.

hair root   

that portion of a hair that is buried in the tissues of the skin.

integumentary system   

(in-teg-yoo-men�tar-ee)
skin and its appendages - hair, nails, sweat glands, oil glands and ducts.

nails   

clear, horn-like cells forming solid a plate on tips of fingers and toes; derived from the same cells as epidermis and hair.

nerves   

tiny cordlike structures made up of nerve fibres which convey impulses between a part of the central nervous system and some other body region.

pore   

small opening in the skin that releases sweat or oil (sebum).

sebaceous glands   

(seb-ay�shus)
glands which secrete oil (sebum).

sensory perception   

recognition of sensation such as pain, touch, pressure or temperature change.

skin   

the body covering.

subcutaneous tissue   

(sub'kew-tay'nee-uss)
tissue directly beneath the dermis.

sweat glands   

glands located in the dermis that release sweat onto the skin through pores or hair follicles .