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Unit 7:3

Integumentary System (updated)

The skin is a membrane, organ, and system.
Oil glands keep the skin and hair from becoming dry and brittle.
Cells of the stratum corneum are constantly shed and replaced by new cells from the stratum germinativum.
Papillae help form fingerprints and footprints
Nails are made of dead, keratinized epidermal epithelial cells packed closely together.
When blood vessels dilate, heat is lost in the body.
One example of contact dermatitis is the irritation caused by contact with poison ivy, poison sumac, or poison oak.
A highly contagious skin infection usually caused by streptococci or staphylococci organisms. Impetigo
Exposure to the sun, irritating chemicals, or radiation are the usual causes of skin cancer.
Alopecia is a permanent loss of hair on the scalp.
Sebum is an antibacterial and antifungal secretion that helps prevent infections on the skin.
Diet, cosmetics, soaps, medications, and emotional stress can all cause eczema.
Outermost layer of skin Epidermis
Oil glands of the skin Sebaceous
Corium, or true skin Dermis
Flat spot on the skin Macule
Itchy, elevated areas with an irregular shape Wheals
Blister or fluid-filled sac Vesicle
Scab of dried pus and blood Crust
Bluish discoloration of the skin Cyanosis
Skin color that indicates liver or gallbladder disease Jaundice
Skin color caused by burns or congestion of blood Erythema
A deep loss of skin surface that may extend into the dermis Ulcer
Firm, raised area on the skin Papule
eliminate perspiration containing water, salts, and some body wastes What is the function of sudoriferous glands?
protection, sensory perception, body temperature regulation, storage, absorption, excretion, production Functions of the skin.
melanin and carotene Pigments that determine skin color.
cyanosis Bluish discoloration of the skin associated with heart, lung, and circulatory diseases?
frequent, thorough skin washing; avoiding creams and heavy makeup; antibiotic or vitamin A ointments; oral antibiotics; ultraviolet light treatments Forms of treatment used for acne vulgaris.
psoriasis the chronic, noncontagious, inherited skin disease that causes the formation of thick, red areas on the skin covered with white or silver scales?
Created by: votec