Quizlet

Flashcards: skin diagram

Instructions

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blood vesselstubes that carry blood as it circulates. Arteries bring oxygenated blood from the heart and lungs; veins return oxygen-depleted blood back to the heart and lungs
dermisthe layer of the skin just beneath the epidermis
epidermisthe outer layer of skin
hair folliclea tube-shaped sheath that surrounds the part of the hair that is under the skin. It is located in the epidermis and the dermis. The hair is nourished by the follicle at its base
hair shaftthe part of the hair that is above the skin
hair erector musclea muscle is connected to each hair follicle and the skin--its contracts(in response to cold, fear, etc.), resulting in an erect hair and a "goosebump"
melanocytea cell in the epidermis that produces melanin (pigment)
Pacinian corpusclenerve receptors that respond to pressure and vibrations; they are oval capsules of sensory nerve fibers located in the subcutaneous fatty tissue
sebaceous glanda small, sakc-shaped gland that releases oily liquids onto the hair follicle. These glands are located in the dermis, usually next to hair follicles
sweat glanda tube-shaped gland that produces perspiration. The gland is located in the epidermis; it releases sweat onto the skin
subcutaneous tissuefatty tissue located under the dermis