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Integumentary System
Chapter 18
| Term | Definition |
|---|---|
| Integumentary System | the system that consists of the following parts: the skin, hair, nails, oil glands, sweat glands, subcutaneous tissue, and nerve endings |
| Epidermis | the outer layer of two main layers of tissue that make up the skin |
| Dermis | the inner layer of the two main layers of tissue that make up the skin |
| Sebaceous Glands | glands in skin that secrete oily, colorless, odorless fluid through hair follicles |
| Lesion | an area of abnormal tissue or an injury or a wound |
| Decubitus | lying down or a pressure ulcer |
| Subcutaneous | the layer immediately underneath the dermis. It's the area of the body where the adipose tissue lies |
| Cyanosis | blue or pale skin and/or mucous membranes due to decreased oxygen in the blood |
| Flushing | a redness of the skin, typically over the cheeks or neck |
| Pallor | an unnatural paleness or absence of color in the skin |
| Jaundice | yellowing of the skin, mucous membranes or eyes |
| Melanin | the substance that gives skin its color |
| Collagen | fibers which make the skin tough |
| Dermatitis | also called eczema, means inflammation of the skin |
| Shearing Injuries | damage inflicted as tissue slides over other tissue |
| Macule | a discolored spot on the skin that is not raised above the surface |
| Papule | skin lesions that are raised, little round bumps on the skin |
| Pustule | raised spots filled with pus |
| Vesicle | small blisters that contain fluid |
| Excoriation | a tearing or wearing away of the surface skin due to friction |
| Necrosis | the death of living cells or tissues caused by disease or injury |
| Bruise | a purple, black, or blue discoloration on the skin caused by the leakage of blood from broken blood vessels into the surrounding tissues; also called a contusion |
| Dermatologist | a physician who specializes in the diagnosis and treatment of skin disorders |
| Pressure Points | areas of the body that bear much of its weight |
| Sweat Glands | small tubular structures of the skin that produce sweat |
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