Body Systems - Integumentary

• Protects against infection and other "invaders" (e.g. radiation)
• Assists with prevention of dehydration
• Controls body temperature
• Receives sensory information
• Eliminates waste products
• Produces Vitamin D

largest organ; external covering of the body

the surface layer of the skin that contains strata (sublayers), melanin (pigment giving the skin its color), and keratin ( protein that thickens skin and makes skin waterproof)

the deeper layer of the skin that contains nerves, blood vessels, collagen and other skin structures or appendages

fibrous protein found in the dermis, connective tissues, tendons and ligaments. It is sometimes referred to as the body's glue, providing strength and flexibilty

coiled tubes located in the dermis that produce and transport seat to help regulate body temperature and remove waste

structures located in the ear that secrete cerumen (earwax) for protection

structures connected to hair follicles located in the dermis that secrete sebum to lubricate skin and hair

structures composed primarily of dead keratinized tissue that cover most of the body

hard, keratinized structures located on tips of fingers and toes

layer of tissue below the dermis composed of adipose and elastic fibers that connects the dermis to muscle surfaces

involves the epidermis; has a red appearance with minimal or no edema

involves the epidermis and part of the dermis; has a blistered red appearance with edema

involves the epidermis, entire dermis, and often the underlying tissues; has a pale white or charred appearance with broken skin and edema

malignant disease of the basal cell layer of skin

malignant disease of the squamous cell layer of skin; more likely to metastasize than basal cell

highly malignant nevus (mole)

scrape

inflammation of sebaceous glands

abnormal absence of pigment in skin, hair, and eyes

baldness

tearing away from a body structure

a sac containing a liquid

bedsore; ulceration resulting from pressure and poor circulation

inflammation of the skin characterized by prutitus (itching), erythema (redness), and lesions

form of dermatitis with a combination of vesicles and dry, leathery patches

scab

abrasion (scrape) of the epidermis

furrow, crack, groove, or crevice

boil

cold sore or fever blister

painful vesicles along peripheral nerve tractscaused by the herpes zoster virus, which also causes varicella

bacterial infection, usually around the mouth and nose, caused by staphylococci pr streptococci; dry to crusty vesicles

abnormal change in localized tissue caused by injury or disease

small spot or colored area (such as a freckle)

raised congenital spot on the skin surface

pimple

infestation with lice

chronic inflammatory ksin disease characterized by scaly red patches on body surface

pus or lymph filled vesicle

disease causing thickened, rigid skin

ringworm; fungal infection

athlete's foot; fungal infection

open lesion on the skin or mucous membrane

Hives

wart

blister like sac on the skin

skin disease with white milky patches surrounded by normal pigmentation

round, elevated skin ledion with white center and red periphery