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Integumentary (HS1)
Integumentary System (Skin)
| Terms/Disorders | Definations |
|---|---|
| Epidermis | Outermost covering made of epithelial cells with no blood vessels |
| Dermis | True skin is made of connective tissue and is vascular |
| Functions of the skin | -Skin is covering for the underlying, deeper tissues, protecting from dehydration -Skin helps regulate the body temperature by controlling the amount of heat loss. -Skin helps to manufacture vitamin D -Skin is the site of many nerve endings |
| Keratin | A protein that renders the skin dry and provides a waterproof covering |
| Keratinocytes | Comprise most of the epidermis and produce the protein, Keratin |
| Melanocytes | Makes the protein, Melanin, which protects the skin from UV rays |
| Sudoriferous Glands | Sweat that is distributed over the entire skin surface |
| Sebum | An thick, oily substance that protects the skin |
| Acne Vulgaris | Disorder of Subaceous Glands that prevents the glands the escape of the oily secretions. |
| Athlete's Foot | A contagious fungal infection between the toes that can be caused from public showers or baths |
| Dernatitis | An inflammation of the skin |
| Eczema | An acute, or chronic, noncontagious inflammatory skin disease |
| Impetigo | An acute, inflammatory, and contagious skin disease seen in babies and young children |
| Psoriasis | A chronic inflammatory skin disease characterized by the developement of dry reddish pathes |
| Ringworm | A highly contagious fungal infection marked by raised, itchy, circular patches with crust |
| Urticaria/Hives | A skin condition recognized by the appearance of intensely itching wheals or welts |
| Boils | A bacterial infection of the hair follicles or sebaceous glands usually caused by the staphylococcus organism |
| Herpes | A viral infection that is usually seen as a blister |
| Genital Herpes | Another form of the virus which may appear as a blister in the gential area |
| Shingles | A skin eruption due to as virus infection of the nerve endings |
| Rules of Nines | Measures the percent of the body burned |
| First Degree Burn | Only involves the epidermis |
| Second Degree Burn | May involve the epidermis and dermis |
| Third Degree Burn | Involves complete destruction of epidermis, dermis, and subcutaneous |
| Hypothermia | Condition in which body temperature drops below normal |
| Hyperthermia | Condition in which body temperature rises above normal |
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